When Dr. Phil met 16-year-old identical twins Taylor and Tricia, they weighed less than 80 lbs. each.

TELL DR. PHIL YOUR STORY: Teen in crisis?

The girls’ parents, Robert and Vicky blamed one another for their daughters’ eating disorders and both said they feared the twins had only months to live without Dr. Phil’s help.

Watch: Identical Twins Starving to Death: Who’s to Blame?

Today, Taylor and Tricia have each gained over 40 lbs. and are back to share their journey in recovery from anorexia and bulimia.

“We’re doing great,” says Tricia.

“We feel wonderful,” Taylor says.

The sisters agree that the hardest part of their early days in recovery, was being separated from each other.

When asked what advice she has for others who may be struggling with an eating disorder, Taylor says, “Never lose hope in yourself. No matter how many times you fail, there’s always another chance to go at it again.”

For more of the story, follow the links to read a personal letter from both Taylor and Tricia discussing their recovery and thanking Dr. Phil for his assistance in finding them life-saving treatment when they needed it most.

Then, Chris was just three-and-a-half years old when his parents reached out to Dr. Phil for help in getting their son to sleep at night. Now a 19-year-old student at the Fashion Institute of Design and Merchandising, watch the video above to find out how the “bedtime bandit” is doing today.

Plus, Katie was only 2 when her parents sought out Dr. Phil’s guidance on how to stop spoiling their daughter. Today, find out why the high school senior wants to thank Dr. Phil for talking to her parents.

Check here to find out where you can watch more from “Dr. Phil’s 3000th Show” airing Tuesday.

TELL DR. PHIL YOUR STORY: "Dr. Phil, please solve our conflict!"