How to say "You are my heart's desire" in Korean? For asking a girl to be my girlfriend :)

How to ask someone to wear certain clothing items politely? For example if we were going to a concert there's a dress code. How would you say "Please wear a skirt tonight"?

What does 가슴에 못을 박다 literally mean? I know this idiom is used to expressed hurt feeling, but what does it mean literally?

How to say "(name of person) this song is for you" in korean? i'd like to sing a song for someone but need to say this first before singing it.

Can you please help me translate this? 어제 잠깐 보고 할말 어제 저녁에 카톡으로 한거예요.. thanks.

When is is appropriate to use 살아있어줘서 고마워? As I understand it, the phrase means "thanks for being alive". So would it be appropriate to use it to express happiness that they're here for you to a close friend of the opposite gender?

Please help me translate... What does this mean? 웃는게 웃는게 아니지만 어른이기에

How to say "i feel happy everytime i see you" in Korean? How to say "i feel happy everytime i see you" in Korean? This would be directed to a person I'm dating.

How to say "comes with" in Korean? I want to use this in the context of payment where for example, you buy a SIM card for $10 and it comes with $2 worth of free calls. How do I say that?