Nicole says she thought she knew her husband, Carter, but all that changed when she discovered he’s been having a long-term sexual affair with another man.

TELL DR. PHIL YOUR STORY: Life in crisis?

Carter insists he loves Nicole, isn’t gay, doesn’t have feelings for the man, and doesn’t even know his name. Though he’s adamant that he’s told Nicole everything, she says she believes there’s more that Carter is hiding.

WATCH: Man Learns ‘Shocking’ Information About Same-Sex Companion

In Today’s Takeaway, Dr. Phil says when you’re authentic about who you are, “Things will work out a lot better for you than living a lie.”

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

This program contains sexual content. Viewer discretion advised.

TELL DR. PHIL YOUR STORY: Marriage in turmoil?