come into someone’s head—(of an idea, etc.) occur to a person; come to mind (also: enter someone’s head):
- I write without any sort of constraint or method, as things come into my head.
go to someone’s head—
1. (of liquor) make smb. dizzy or slightly drunk:
- The next four hours are spent sipping drinks which go straight to Norma’s head.
2. (of success) excite a person; make smb. conceited:
- Don’t let failure go to your heart and don’t let success go to your head.
3. engross a person’s whole attention:
- Unfortunately, he can’t spare you any time. He’s very busy writing a book and it’s gone to his head.
See also: come to a head / come to mind.