The 15 years she'd lived with that heart is about the typical life cycle of a transplant heart. As it has weakened, Sandeen has been on the list for a second transplant heart.
Sandeen said Alyssa has very emotional. He said it could have something to do with getting off of some of the pain medication she's been on.
"She's crying a lot," he said. "It's scary having somebody else's heart."