In Korea, Valentine's Day works a little differently.
Girls give guys chocolate! It's the girl's day to confess!
March 14 is when guys return the favor by giving girls candy :D
Either way, it's nice to know some sweet words to say:
사랑해요 - I love you
너 좋아해요 - I like you
내 마음이 알아요? - Do you know my heart (my feelings?)
(nae mah-eum-ee ah-rah-yo?)
해피 발렌타인데이! - Happy Valentine's Day!