I never worry about them other chicks
Cause you proved who was your wiz
When you was spending that bitch

from Jay Z (Ft. Foxy Brown) – Ain't No Nigga Lyrics on Rap Genius

Meaning

Foxy never worries about who Jay sleeps with because he uses them only for the physical aspect of sex.
Foxy is the only woman he gets pleasure other than physical with.

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