Complications from the dissociative disorder makes it all the more important to go to the doctor. Tissue damage and inability to sense it is not something to be trifled with.

Frank bleeding is generally a sign of a problem. You do not have to accept abuse from your bike. After you check in with your doctor, can you get someone who knows about bike fitting and has some expertise (a fitter, a bike shop clerk, a trainer) to put your bike on a trainer stand and have you spin the pedals while they observe the fit and your posture?

Sometimes it takes trained eyes and a bike held stationary as you "ride."