all in (one's) head
all in (one's) head
Not substantial or real; having been imagined or invented. I don't know why you think I don't trust you. I can assure you that it's all in your head.
See also: all, head
Farlex Dictionary of Idioms.
- don't get me wrong
- (I) won't tell a soul
- don't bet on it
- bank on
- banking
- don't give up the ship
- don't beat a dead horse
- don't cry before you are hurt
- don't count your chickens