Mmm, I'm typically an affectionate person, I don't just do it randomly, but when I want to show my affection, or if someone needs it, I'll usually use my voice. I verbally express affection the most with stuff like "you're precious" or "you're incredible" etcetc
I do like physical affection but I reserve it for when its necessary surprisingly
I've never been in a relationship tbh, but I think I'd be okay with holding hands and hugs, and perhaps quick pecks every once and a while
In private however, then idk, probably just more kisses and verbal affection honestly, depending on whether or not they'd be okay with it