It will vary day to day with diet and general health from thin to very thick and may even have small chunks. This will happen at any age.
No, consuming a man's sperm is not beneficial for your health.
No
A man that has had a vasectomy does not release sperm, however, he does ejaculate.
Sperm leave a man's body through the penis.
Sperm is created in the testicles of a man.
Yes, you can get cancer from swallowing a man's sperm if they have Leukemia.
A young, fit and healthy man has no need to worry about increasing his sperm count. Nature will ensure his sperm count is high.
A vasectomy blocks the path of sperm. It does not change the production of testosterone or other hormones.
It can if a man has sex more than once or so a day. However, sperm is made everyday, and the old sperm dies, and new sperm is made.
You most certainly can, sperm count has nothing to do with it.
be a man
No. Once the sperm is in the egg no other sperm is allowed in.