Basically what the title said:
Sebastian Stan:
Before getting together:
Y/N/N 👵🏼 (you chose the emoji)
After:
My princess 💗💗
Bucky Barnes:
Before:
Y/n 💗?
Y/n 💙💚💛🧡❤️💜❤️🩹❤️🔥💓💖💘💝💞💕
(Who doesn't like when they're affectionate)
Steve Kemp:
Before:
Y/n 🥩
After:
Love ❤️
Nick fowler:
Y/n agency
After:
Y/n. ❤️
(He does this so you won't see the heart, cause he hates showing affection... because of her)