Tiffany and Sheka both claim that their mutual ex, Erik, lied to them when he claimed he was a widower, a single dad, and a successful businessman.

TELL DR. PHIL YOUR STORY: Have a story Dr. Phil won't believe?

Sheka says she hasn’t seen him in about a month, but Tiffany, who was in a relationship with Erik from 2011-2013 and has a son with Erik, says she cut off all contact with him three years ago. She claims that Erik failed to show up for DNA testing on three separate occasions to establish paternity for their child.

WATCH ‘As Far Back As I Can Remember, I’ve Always Had An Issue Not Being Truthful With People’

Erik, 37, says he has been lying as far back as he can remember, about “anything and everything.”

“I don’t like the hurt that it causes,” he says.

In the video above, Erik claims he wants to stop lying and needs help to do it. When Sheka accuses him of “trying to play the victim card,” how does he respond?

Part one of this two-part Dr. Phil airs Monday. Check here to find out where you can watch.

TELL DR. PHIL YOUR STORY: Do you need Dr. Phil to "get real" with someone?

‘I Found Out I Was Just One Of A Dozen Women He Had Conned,’ Says Woman Who Claims Her Ex Is A ‘Fraud’