Carter says that even though he’s been in a sexual affair with another man “off and on” for years, he’s not gay, not in love and doesn’t want to be with the man.

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“I think the missing link is you’re not able to communicate why you’re turned on by another man,” says Mike Bayer, life coach and best-selling author of Best Self: Be You Only Better when the two sit down for a one-on-one conversation on Tuesday’s Dr. Phil.

WATCH: Man Admits He’s Been Living A ‘Double Life’ For Years And It’s Been ‘Mentally Exhausting’

“That’s what I’m trying to figure out in my own mind – and it’s not easy,” replies Carter, who insists he loves his wife, Nicole.

Carter says he first met the man he’s been having an affair with over 18 years ago, but claims he doesn’t even know his name.

What does Dr. Phil reveal about Carter’s long-term sexual partner that leaves Carter in shock?

Check here to find out where you can watch more from Tuesday’s Dr. Phil.

This program contains sexual content. Viewer discretion advised.

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