Hi I am 21 old adult boy and I am in a relationship from 3 years. oftenly we go out for date and we go for a movie. We get intimidated and we kiss. I get erections when she is with me very closely. But as time goes I get pain in balls like they are getting heavier and the pain becomes so high that I can not walk when I keep my 1 step due to that vibrations it causes pain and I can not even think of even walking sometimes I don't know what it is can you help me out.