Hello, i developed some wierd feeling in my left testicle, its not directly in the testicle but above it under the skin and begining of scrotum, i can not say its pain but maybe a little disomfort i feel if i was touched in that area accidently or when my jeans press on that area, also i noticed my sperm volume decreases and my erections arent that strong usualy, anything i should worry about? I am 36yrs old