*evil noise*
"Can I be your snowflake? I'll promise to never melt away from your heart!"
"Kissing is a love language... Want to start a conversation with me?"
"Do you know the difference between history and you? History is the past and you are my future!"
"You're the only one here who'd be my valentine year-round! (this one's an original)"
There were more, but I don't want to hog them from everyone else as that would be a bit unfair...