I absolutely love DDR, before I accepted Guitar Hero as my personal savior, DDR was my personal savior. I was a hardcore player, played on heavy, had a metal mat and everything. But alas, I developed plantar fasciitis (http://en.wikipedia.org/wiki/Plantar_fasciitis) which sucks major balls. It's kind of funny, plantar fasciitis is cause by over activity of the foot and I wasn't in any sport in high school, I hate sports, I'm a musician. Then I play DDR and develop plantar fasciitis. It's funny and sad at the same time.
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PS, most of my scores are outdated. Especially the GH2 ones.