0820_nick-cannon-mariah-carey-tmz
PHOTO: TMZ.COM

 

Mariah Carey & hubby Nick Cannon separated back in May & since then lawyers have been negotiating property settlement & custody agreements.

While the reasons aren't really clear, sources say it may have something to do with Nick Cannon's work ethic & scheduling that keeps him away from the kids & a few things he's said in public interviews lately.