John Mayer admitted that he was a jerk when he dated his exes included Jennifer Aniston

John Mayer dated before famous women like Jennifer Aniston, Jennifer Love Hewitt and Minka Kelly in the past and he admitted he was a jerk.

Talking about his relationship with ex girlfriend Jessica Simpson,he said, "Sexually it was crazy. That's all I'll say. It was like napalm, sexual napalm."

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