Idiom
go to someone's head
Theme: PRAISE
to make someone conceited; to make someone overly proud.You did a fine job, but don't let it go to your head.He let his success go to his head, and soon he became a complete failure.
Idiom
go to someone's headgo to (someone's) head
1.
if an alcoholic drink goes to someone's head, it makes them feel drunk very quickly.
That glass of wine I had before supper went straight to my head.
2.
if success goes to someone's head, it makes them believe they are more important than they are.
Just because you won the poetry prize, you won't let it go to your head now, will you?