New pain

So I signed up for a PE class this quarter. I'm taking two 5 credit classes and needed 2 more credits to be full time. The PE class is 2 credits. Sounded like a good idea...on paper. My legs feel like jello and I was so tired in my math class I almost fell asleep. I'm sure I will get in better shape and enjoy to outcome, but for now it just hurts. I will not complain again about the self-inflicted pain I will have from this class.