Molly says she’s obsessed with her appearance and that it “runs” her entire life. She says she spends up to four hours applying makeup and getting ready to leave the house, and sometimes, she can’t even go outside because she doesn’t like the way she looks.

TELL DR. PHIL YOUR STORY: Hopelessly in need of Dr. Phil's help?

Molly says she believes she suffers from body dysmorphia, but Dr. Phil says he thinks there’s another explanation for her behavior. In the video above from Tuesday’s episode, he explains what body dysmorphic disorder is. He also explains how Molly’s internal dialogue is creating automatic thoughts that are reinforcing her beliefs – and how she can change them.

WATCH: Could There Be A Connection Between Mom’s Anorexia And Daughters’ Obsession With Their Appearance?

Hear more about Molly’s story on Tuesday’s episode. And, on Tuesday, Sophie Turner, Sansa Stark on the hit HBO series Game of Thrones, reveals how she worked through her own body image issues. Check here to see where you can watch.

TELL DR. PHIL YOUR STORY: Life in crisis?

Today’s Takeaway: Test Your Thoughts For Rationality