(Not proofread)
(Chapter 16 spoiler on L and Z)
A (Affection) How affectionate are they?
Since Lucifer is m mainly busy when he does spend time with you he will shower you with love, whether it's just talking about how much he loves you or watching something while cuddled up on either his bed or a sofa in his room.
B (Bathing) What's it like bathing with them?
He'll usually put on some quiet music to fill the silence. He would si you so your back would be against his chest. He would be sure the room is dimly lit with some candles. You two would usually bathe when he finishes his work early as a way to relax.
C (Cuddles) How often do you two cuddle?
Since he has a busy schedule, you two don't often get to cuddle, but when you do it's usually before you go to bed. When he cuddles you he'll hold you close to his chest. Sometimes the silence is filled with small little conversations between the two of you until one of you falls asleep.
D (Domestic) Would they like to settle down with you?
Lucifer would definitely like to settle down one day and start a more simple life however due to the importance of his job he will definitely have to wait a while. (You may have to become immortal if you want to live a domestic life with Lucifer.)
E (Encouragement) Do they encourage you?
If Lucifer notices that you struggling with completing something or can't find the motivation then he will definitely try to encourage you to do it since he knows you would do the same for him.
F (Fiance) What are their opinions on marriage?
Lucifer loves the idea of one day getting married to you. He'll already have an engagement ring picked out and an idea of what wedding rings he thinks you'll both like. When he proposes hell be sure it's really special. He'll take you out to a fancy restaurant and the hell take you on a walk around the devildom and then he'll propose to you once he reaches a small secluded area in a nature park.
G (Gentle) How gentle are they with you?
Lucifer knows he can get shouty at times but he'll try not to let that side out in front of you. He'll be very gentle with you just so you know how special you are to him. If he does ever shout at young, he'll make it up to you.
H (Hold) How do they hold you?
When he holds you he holds you close to his chest. He'll place one hand on your lower back and the other running through your hair. If he's had a long day then he'll place his head on your shoulder and hug your waist from behind or he'll place his head on top of yours and then he'll pull your back to his chest and his arms will wrap around your chest.
I (Ideal) What's their ideal date?
Going to a restaurant. On a date, he'll treat you to dinner and then a walk around the town. Sometimes on dates, he'll take you shopping and he'll always reassure you that he will pay for you. After dates with him, you'll both sit in his room and watch a movie or if your up for it then the mattress mambo😏.
J (Jealousy) How often do they get jealous?
Lucifer can get jealous very easily however he trusts you so he usually doesn't act on it. If he thinks that something is getting out of hand then he'll loom behind you to scare off whoever you were talking to. If you make fun of him for being jealous then he will deny it.
K (Kisses) What are their kisses like?
He has two ways of kissing you. Either he'll take you by surprise with a long, deep and passionate kiss or a short but sweet kiss. He loves to kiss your lips and your hands.
L (Love) When did they realise they loved you?
He realised he loved you a little while after Belphie was released. He knew the reasons as to why you released him and although it caused a lot of trouble in the end he realised how valuable you were to him when you died. He realised how much you cared when you were willing to protect Beel with your life and he respected you. The reason he loves you so much is because of that, he knows how much you care and how loyal you are to him.
M (Morning) What are mornings with them like?
Lucifer will usually wake up early (5:30 am early) but he won't wake you up until later For now he will hold you and watch your face as you sleep, he finds it peaceful to watch you sleep. At 6 am he will leave bed to get ready for the day such as getting dressed, brushing his teeth etc. If you're still not awake then he'll go down to the kitchen and make your breakfast separate from his brothers. He'll either make sure it's healthy or that it's something you enjoy. Then he'll wake you up for your breakfast (usually around 7:30 am). If you both have a day off then you will both stay in bed until the discomfort of needing to pee distracts you from the joy of staying in bed.
N (Night) What are nights with them like?
Since he comes to bed late a lot usually you will already be asleep. If this is the case then he will be as quiet as he can when he joins you in bed and tries not to wake you while he wraps his arms around you. If you were still awake then he'll scold you for it but will join you in bed still.
O (Openness) How open are they with you?
Lucifer is new to opening up his feelings but since he's been with you he's learned that he doesn't need to hide his emotions because he trusts you. He also hopes that if he is open with you then you'll be open with him too.
P (PDA) Do they like PDA?
He's fine with holding hands and an odd kiss every now and then but PDA makes him uncomfortable sometimes due to his need to keep up a respectable reputation. If you are alone however then he loves affection.
Q (Quizzes) How much do they remember about you?
Lucifer remembers literally everything you tell him. This man is overly observant. If you seem off in any way then he'll be sure to check up on you.
R (Romance) How romantic are they?
Lucifer is very romantic. On dates he is an absolute gentleman, he wants you to feel important. Whenever you two are on dates he always makes sure to make them as enjoyable as possible and he'll always be showering you with love whether it's openly or not.
S (Safe) What about you makes them feel safe?
Just generally being around you makes him feel comforted. There's something about your presence that makes him feel safe and secure. He's never met anyone else whose presence helps him feel safe or peaceful and this is one of the reasons he loves you so much.
T (Turn offs) What do they find unattractive in a partner?
He would hate a partner who is overly possessive. He's fine with a little bit of possession but when it gets to the point that you won't leave him alone even when he's trying to work then it just won't work out.
U (Understanding) How well do they sympathise with you?
Surprisingly this man is great at sympathy. If you have any issues he's there ready for you to tell him them. If it's a person who is giving you issues let's just say you won't be hearing from them for a very long time, maybe ever again.
V (Variety) Do they like to try new things?
Since he's met you he's been more open to trying new things but he still won't go outside his comfort zone. The reason he's been trying new things is that he's begun indulging in little activities you like. If you like drawing or painting he'd definitely be up to try. If you like gaming he'd try it a couple of times but mainly hell just watch you.
W (Whole) Do they feel incomplete without you?
When Lucifer is with you it makes him feel complete. It's gotten to the point where if you were permanently gone he wouldn't know what to do, but if you have only gone for a couple of hours he will still feel incomplete.
X (Xtra) Just a little extra headcanon
Lucifer will always try and make time for you, even if hes fully busy he will definitely try and finish his work as quickly as he can so that you don't feel lonely. He doesn't want you to feel abandoned in any way so even if he can't pay attention to you he'll be sure one of his brothers can fill that time until he can.
Y (Yuck) What do they not want in a partner?
Someone whos overly clingy. He needs to keep up his reputation so if you are all over him in public then he'll either say something about it sn if that still doesn't work then he will have to end it. He doesn't want a partner that's fine with his reputation being ruined since his reputation is very important to him.
Z (Zzz) What are their sleep habits?
He gets literally no sleep. He goes to bed late and wakes up early. Coffee is his best friend. He finds it hard to sleep without you now. Ever since the attic incident, he likes to know that you're safe. Not necessarily because of what happened but because he realised how easily you could leave this world. Ever since he holds you close to him at night so you cant go anywhere. If you do need to get up then he's fine If you wake him up.
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