How do I make up for lost time when I can work out again?

Anonymous
I got a concussion last Sunday and am not supposed to work out until the end of this week. I'm the kind of girl who works out nearly every day so not being able to work out for two weeks is driving me nuts. Plus I was on a mission to look good for summer and now I'm two weeks behind. What can I do?
How do I make up for lost time when I can work out again?
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