As far as I know, the quality would improve again (within at most months) if the source of heat has been removed. Cooks also have this problem when their crotch

As far as I know, the quality would improve again (within at most months) if the source of heat has been removed. Cooks also have this problem when their crotch is around ovens all the time. Or people with varicoceles. Also, while I believe that there is a problem when the phone is in the pocket, I seriously doubt that a mobile would reduce sperm count if it's on the bedside table. Energy decreases in square distance and the mobile would have to send out huge amounts of energy to heat up something this far away.