Besides sex, What does your SO do to make your heart pound?

Shanie • I am… a 21 year old theatre major. Socially awkward. Currently dating the potential dork of my life.…yep ¯\_(ツ)_/¯
"It's the little things…" some say. So, what are the little things your SO does that make your heart go crazy (besides sex)? Always willing to give a foot massage? Maybe it's that charming smile. Never misses an opportunity to tell you how much they appreciate you. Etc.