Leah Messer's Daughter Thinks She Caused Her Twin Sister's Disability

leah and gracie
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Mondays are usually a drag, but at least they end with Teen Mom 2. And this week, MTV handed us an episode full of emotion. While talking to her mom about her sister's diagnosis, Leah Messer's daughter, Gracie, was worried she caused Ali's muscular dystrophy, and it was absolutely heartbreaking to watch.

  • Leah's twins have always been handfuls, but they've also been really close since birth.

    But on Monday's ep, something was different about them. They were constantly fighting, and even though Gracie is usually a little ball of sass, her attitude was off the charts. 

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  • Leah had to get onto them for fighting in the car, and then a fishing trip with Corey was basically a nightmare.

  • And since Leah always tries to help her girls get along, she took a private moment with Gracie to try to talk to her about what's going on.

    As suspected, Gracie was feeling left out because of how much attention Ali gets -- something that's hard to avoid with a special needs child in your family. And then, she admitted something else that was bothering her that was absolutely heartbreaking to hear. 

  • Gracie asked her mom if Ali's muscular dystrophy was her fault.

    Because apparently, she'd seen ultrasound photos from when her mom was pregnant with them, and it looked like Gracie "crammed her up" in the womb. Gracie thought she hurt Ali because she was so tall! That precious baby. Leah tried to explain to her that it wasn't her fault, while acknowledging that she might not fully understand until she's older. What kid gets what a "gene mutation" means?

  • Fortunately, it all came to a happy ending, and Leah and Gracie agreed to go to therapy to help work through some of these feelings.

    And of course, Gracie was showered with hugs and kisses from Mom. It was such a sad moment to watch, but one thing is for sure: These kids are lucky enough to have an awesome mom.