Originally Posted by TheDude
I'm not an expert in the exact workings of it all but I think your balls are tired!
Don't quote me, and don't take only my opinion.
If you don't know what you're talking about then don't post.
Do you do it often? You could be doing it too often or too vigorously. Try doing it less often and if there's no improvement schedule an appointment with a doctor - seeing that pain is something that shouldn't be happening.