에 미쳐서

so obsessed with

→ 에
phrase Rare #20,446
so obsessed with Used to describe being extremely enthusiastic about or preoccupied with something, often as the reason for what follows.
KO: 그는 게임에 미쳐서 밤새웠어.
EN: He was so obsessed with games that he stayed up all night.

경마에 미쳐서 저래

He's like that because he's obsessed with horse racing.

— 담뽀뽀 (1985)