Wow, what a loaded question (no pun intended). I believe due to the location it's difficult for a man to stimulate his own prostate glade. He needs another person to stimulate it. Prostate gland is located between the man's bladder and rectum.
Where Is My Prostate And How Do I Massage It?
How interesting when we speak of G Spots when referring to females it is all about sex. When referring to male G spots, its all about cancer. What a shame it is Christianity has enabled legal mutilation of the male genitalia and hundreds of years later our society has serious issues with sexuality, a natural function for a healthy human body to be celebrated in lieu of false guilt inflicted by generations of dysfunctional and uneducated people This is a barbaric act of zealots which should be outlawed.