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
RuaidhrÍ	ROR-ee	Irish
Hoshea	-	Biblical, Biblical Hebrew
Mostyn	-	Welsh
Burton	['bə:tn]
Vlado	-	Croatian, Serbian, Slovak, Slovene, Bulgarian, Macedonian
Allana	ə-LAN-ə	English (Rare)