"The mental side of things will definitely be the hardest,"Amber said.
"I was a competition swimmer, and I remember having to get out of the pool to be sick because I couldn't handle the pain,"she said.
"She was crying with a heat bag on her lap … and I just remember thinking, 'I can't have anything that's as bad.'"
"Sometimes she's in that much pain she can't even get out of bed, let alone go for a 30km run that I've set for her to do."
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