Imagine your otp
A kissing B out of nowhere and smile sweetly at them. B blushing due to the unexpected kiss. A pulls B onto their lap , "You . Are. So . Beautiful . " A smiles warmly , looking at B with their eyes full of love and kiss them passionately . / Lovingly.
Reading to them to help the other sleep.
Singing a lullaby / humming a soft tune / counting sheep (or whatever) to the other to sleep .
Cuddling and sleeping in on lazy days .
Staying up with the other who has insomnia ,even though they're tired / feel sleepy.
Back hugs and kissing their neck/ crook of their neck/ shoulder/ cheek .
Nuzzling their tummy .
Stolen kisses . Where they're soft / tender.
Slow kisses.
Kissing top of their head.
Nuzzling their neck.
Kissing their cheeks.
Teasing them . ( eg .Leaning in close for a kiss and kissing their cheeks . Or something)
Inside jokes.
Caressing their hair while they sleep.
Cooking / buying them their favorite meal or snack when they are sad .
Drying/ combing / braiding their hair.
Being goofy just to make them laugh cuz they're down / sad.
Tight hugs and cuddling , enjoying their quiet moments.
Sharing / engaging in each other's hobbies.
Watching them sleep.
Saying / whispering " I love you " at random moments .
Holding their hand and kissing their hand.
Interlocking / interlacing fingers.
Looking into their eyes and getting lost in them .
Sending them a romantic text / message / poem . ( Cliche for some people but still touching nonetheless.)
Kissing their nose .
Kissing their chin .
Caressing / petting their hair, while they cuddle or hug.
Lots of random hugging.
Pulling them into a hug.
Random compliments .
Giving her his clothes to wear.
Buying them stuff they always wanted / like .
Ruffling their hair / bangs .
Smiling at each other like love struck idiots.
Sharing their music playlist with them.
Giggles and laughing while being goofy.
Giggling while showering them with kisses.
All night movie marathon together.
Playing video games together.
Dancing and singing along to their favorite song they both love.
Washing their hair for them.
Being fandom fanatics chatting about their favorite shared fandom .
Kissing or tracing their face.
Caressing their face while they kiss.
Kissing or tracing their tattoo. ( Not common but yeah... I find it sweet * ahem *)
Massaging them when they are tired. ( Probably shoulders or feet )
Kissing their eyelid.
Playing with their fingers .
Kissing their fingers .
Pressing their lips to theirs.
Soft , light caresses .