be all in (one's/the) mind

To exist solely in one's thoughts, rather than in reality. Don't tell me that my worries are all in my mind—you know this can be a dangerous area. Your presentation sounded great, honestly. Your fears are all in the mind.

Common Names:

Name	Pronounced	Usage
Laurine	-	French
Eloy	e-LOI	Spanish
Olivera	-	Serbian, Croatian, Macedonian
Ani	-	Bulgarian, Georgian, Romanian, Spanish
Jasmina	-	Croatian, Serbian, Slovene, Macedonian
Stacee	STAY-see	English (Rare)