Dative for the state: treba mi, drago mi je, it is difficult for me

Constructions where a person is in the dative: I need, it's hard for me, I'm happy, I'm cold.

Treba mi + nominative: I need confirmation.

It is difficult/lako mi je + da + present: It is difficult for me to understand.

Drago mi je / I'm sorry + što/da: I'm sorry što kasnim.

Hladno/toplo mi je: I am cold/warm.