I feel like girlfriend would be wayy taller than boyfriend- like, a significant difference-
She's probably held him in her arms more than once. She loves doing that.
Sometimes boyfriend forgets to take care of himself- like- forgetting to wash his hair and girlfriend would have to remind him to sometimes.
Whenever his hair is clean, it's insanely soft and fluffy- she loves to run her hands through his hair. And he loves it when she does it too.
Sometimes when they're alone, he'll make dirty jokes, and she'll just giggle and make a even worse one. I feel like boyfriend is the type who can't handle what he dishes out.
When there's thunderstorms they'll snuggle up with each other, both trying to keep the other calm.
When he's in front of girlfriend, he's very confident and brave, but when it's just him by himself, he's a bit insecure and awkward.
He sends her memes all the time and she usually finds them funny
Girlfriend could fall asleep to his voice, which she has more than once
Okay, thats all the head canons i have for now, I'll make another chapter with bf and gf if I can remember more!