I hope big brother is right and Cosmo is getting better every day. As for you, young lady, you best not be coming down with anything. Sounds like a pinched nerve - sciatic, maybe. Do what the Dr. tells you, ok? And, yes, Professors can be little buggers when they want to. They just want to see if you really paid attention in class
. Not to worry, I know you'll get good grades. Update us asap.