"The only way that I could imitate the physical aspects is literally to just do an impersonation; I don't know what it feels like, I could never say that I would," she admitted. "There's more responsibly than just your own self-inflicted care for the character. So I spoke to girls that Mary Stuart put me in contact with [who suffer from Friedreich's ataxia], I got to know their families, one of them specifically a lot. They are so unbelievably brave and honest. ... They are willing to enjoy life, while everyone around them just wants to pity them."
Source: MTV