Sherlock:
- Him always reading you, where you've been and so on.
- Him having a hard time showing his feelings.
- Awkward hugs and kisses.
- Adventures.
John:
- Be in second place, Sherlock's number one.
- Him coming home late.
- Story times.
- Quick pecks here and there.
Moriarty:
- Him killing people.
- Him leaving you clues, for dates and so on.
- Make out sessions everywhere.
- Always having a bodyguard near.
Greg:
- Him being over protective.
- Him cooking for you.
- Sweet hugs and kisses.
- Him working late.
Mycroft:
- Him being insecure.
- Long hugs and kisses.
- Him taking you to fancy restaurants.
- Him spoiling you to no end.