Heather claims that her boyfriend, Collin, has put his hands on her, ripped her clothing, and bit her face, but says she doesn’t think of the way he treats her as abuse because he’s never beat, kicked, or punched her.

Collin admits to putting his hands on her but claims that’s because she “constantly pokes me until I explode.”

“There have been so many occasions where I’ve been just emotional – crying, screaming to her ‘please just stop,’ and she won’t,” he says.

Collin claims that Heather has also physically attacked him in the past, which Heather admits. He says he loves Heather but isn’t ‘in love’ with her like he once was.

When Dr. Phil asks, “Why would anyone want to be in a relationship like that?” how does Heather respond?

Part one of this two-part Dr. Phil, “Toxic Love,” airs Tuesday. Check your local listing to find out where to watch.

WATCH: Woman Whose Friend Claims She’s Being Abused Insists Her Boyfriend Never Beat, Kicked, Or Punched Her

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