Give this man a Darwin award NOW.
1. Stop riding until your raw and abused scrotum heals up.
2. take a look at your riding position, esp saddle layback, height and angle.
3. Check your saddle, does it fit you. If not, try another.
4. Dont ride in jeans.
5. Dont ride long distance until you have conditioned yourself. You need to extend the distance very gradually.