all in (one's) mind

Not substantial or real; having been imagined or invented. Cindy isn't mad at you, it's all in your mind.

Name	Pronounced	Usage
Tuttle	['tʌtl]
Desideratus	-	Late Roman
Sybil	SIB-əl	English
Efraim	-	Hebrew, Biblical
Thane	THAYN	English (Rare)
Abilene	AB-i-leen (English), ab-i-LEE-nee (English)	Biblical