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
Mitchell	MICH-əl	English
Abd Allah	‘ahb-DAH:L-lah, ‘ahb-DOOL-lah	Arabic
Hersilia	-	Roman Mythology
Alcott	['ɔ:lkət]
LÀNh	-	Vietnamese
Sharmila	-	Tamil, Indian, Marathi