i had radiation treatment 4years ago and there is know strong feeling in my penis whats up with that? it seem that theres know blood flowing to the penis for it to get hard,, sperm comes out. And please dont tell me about the pills i've have side effects thats not good. so please help me to fix this problem thank you.

It sounds like erectile dysfunction, try to talk with your doctor and see if he can prescribe something for you. good luck.