There's a natural rise and falls of testosterone which peaks in the early morning hours and related to the content of your dreams

This causes the erections you discover when you wake up

Why does it hurt so much get hit in the balls？

there are lots of sensory nerves in and around the genitalia , the muscles in this scrotum that serve to pull the testicles up into the pelvis for protection

are not big and thick like the muscles in your thighs back or arms , and this scrotum muscles were that big

the heat generated with slow or stop sperm production

is my penis supports the curve to the side ? it is actually very uncommon for a penis to be completely straight

Most penis will curve to either side , though when erect usually point north

there's only an issue if you experience pain during or after an erection

Are my man boobs too big?

During puberty and in early manhood, males can have large glance under their nipples

This is called gynecomastia and usually subside, you can also see enlargement with marijuana use and with certain medications

If you supporting the D-cup , you should probably get investigated

wearing tight jeans will disperse my sperm counts?

Probably not, wearing tight clothes would only reduce your sperm count if it were to raise the temperature around your genitalia

preventing sperms for maturing but ordinarily, men are not affected by this

and lets say they're wearing space heat potting underwear

What do you want to know about your body?