Spin

I now know why they call the stationary bike class at the gym, "SPIN."  It's because if you are out of shape, that's what your head will be doing five minutes into the workout!

I tried it today, and that's exactly what happened.  I hated every minute of it.  I'm told you have to do it at least five times, then you'll love it.  I don't know if I can endure four more tries.