John Mayer Is Jen Aniston's Bitch

5/14/2008 12:54 PM PDT BY TMZ STAFF
Looks like John Mayer is getting relationship advice from Tom Brady.

After spending the weekend with Jennifer Aniston, John arrived at a private airport in Miami with her dog. Good boy.

Hey, when your nongirlfriend makes more money than you -- you really are in the doghouse.