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.

Name	Pronounced	Usage
Audubon	['ɔ:dəbən]
Gage	[geidʒ]
Giotto	-	Italian
Medley	['medli]
Mahtab	-	Persian
Godiva	gə-DIE-və (English)	Anglo-Saxon (Latinized)