"Well, that's when I got a phone call from Sommer, and she said, 'I'll give you my kidney. I would love to do that for you,'" Russell said. "But I had already received so many messages from other people saying the same thing, and you just have to take it with a grain of salt. They don't understand what you really have to go through, but when Sommer called it was different. I knew she meant it."