yes, its normal if you have the same the very before. suddenly being reddish maybe means that you have got hurt or being angry or perhaps masturbate very hard. besides this there is no problem
It's not "normal", but it's also not uncommon. Neither is having an extra one. It's just different. It should not be a barrier to having children, though. Men with one testicle are just as viral as men with two. Remember, out of all those millions of sperm in one ejaculation, only one needs to impregnate the egg!
those are vains, break one and never feel the same again.
It is not normal for one side of the testicles to be numb.
is it normal for dogs to have 4 testicles when they start to play
Yes it is possible. It would be swollen and be have some bruising.
its probably red
Yes.
Yes its normal for a 12 year old. you are growing at different rates bodily so your testicles will grow later.
mine do that too sometimes. i dont know if it's normal though
yes
As long as there is not a drastic difference.
A type of genetic testicular disease, causing a male's testicles to become enlarged or "greater" than normal testicles.
yes
If you have any spots or lesions on your penis or testicles, then you need to get it checked out by a doctor. It may mean that you have contracted an STD which needs to be treated.