Branch
A way Branch shows his affection for Poppy is that he would go out of his way to prioritize his time for her to plan out a Romantic date. He also loves to leave sweet love notes around for her with a loving message. But he also loves hearing Poppy talk about her day and hear her laugh about anything she found funny.
Poppy
Poppy really enjoys showering Branch with hugs and kisses in public and holding his hand as she does her best to support him when she knows that he needs to understand that whatever he is going through that he wouldn't deal with it alone and that leaves a smile on his face. She loves to say "I love you" every day and she feels super satisfied whenever he says those words back to her. And she always loves when he gets excited about what he is passionate about that she is always supporting his favorite hobbies even though she doesn't understand what they mean.