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
Kadek	-	Indonesian, Balinese
Colobert	-	Ancient Germanic
Wolter	-	Dutch
Marleen	MAHR-leen (English)	Dutch, English
Marios	-	Greek
Mahon	-	Irish