Cheating and Secret Affairs: Will Lindsay Leave Brandon?

In part two, the tension between the triplet sisters comes to a head as Kelly and Jessica finally get the opportunity to tell their sister, Lindsay, and her boyfriend, Brandon, how they really feel. How will Brandon respond to their concerns? Brandon also reveals the details behind his head injuries while serving in the Marines. Have these injuries played a role in his behavior? Brandon also claims he wants to change, but is this even possible? Dr. Phil refers Brandon to Dr. Daniel Amen, a brain disorder specialist at the Amen Clinics, to learn about the traumatic brain injury he has suffered. What are the results?