Daniel says he’s caught in the middle of endless fighting between his fiancée and his mom and sister. His mom, Cindy, and sister, Sarah, claim Daniel’s fiancée, Marissa, is a selfish, manipulative liar who is trying to trap Daniel in a relationship. Daniel and Marissa, however, say they are happy in their relationship. Marissa denies the allegations made by her future in-laws and says that if Cindy and Sarah don’t back off, they are going to lose Daniel from their life for good.

TELL DR. PHIL YOUR STORY: Explosive family drama?

To help Daniel break free from the fighting and to determine what he wants for himself and his life, Dr. Phil sends Mike Bayer, a personal development life coach and Dr. Phil contributor, to meet with Daniel. See what happens in their meeting, and hear Mike’s advice for this former United States Marine who fought and suffered a traumatic brain injury in Afghanistan.

WATCH: Tempers Flare As Man’s Fiancée Faces Off With His Sister And Mom

On Monday’s episode of Dr. Phil, hear what a PTSD expert suggests Daniel do to help him get his life back on track. Check here to see where you can watch.

TELL DR. PHIL YOUR STORY: Is Dr. Phil your only hope?

PTSD Expert Offers Former U.S. Marine Advice For How He Can Help Heal His Brain