Why does it take millions of ejaculated sperm to fertilize one egg?

Recently I have discovered if I change the settings on my shower head so the water pressure is harder and faster it works wonderfully as a tool for masturbation. My question is, is there any health risks for using water for self pleasure? My main concern is getting water in my vagina...could that cause issues? Thank you so much!

I am involved in a relationship with a man I love very much. That's the good part. My problem is that, with my very limited sexual experience, I am worried that I am not satisfying him. Also, I find it next to impossible to achieve an orgasm after the "flow" has been interrupted by his putting on a condom. We have talked about this and he tells me just to do what is natural and everything will be fine. I have read something about the subject, but nothing seems to tell me how to keep the proverbial "flow" going. I know that each person is a different case, but do you have any general advice? I'd love to hear some.

How do birth control pills work?

Recently there have been creams for women sold over-the-counter to improve sexual enjoyment for women. Are these lotions safe for women and the men who love them, and do they work? I am familiar with a particular lotion called "Viacreme."

I am just curious about sex, and why is it such a turn on?? Is it the physical contact or sexual actions?? Or is it endorphins spreading through the body while it is happening??

You have a long section about female genital mutilation, but what are your views on male genital mutilation? Why make a distinction?

Do you think it is ok for boys to masturbate in really tight womens clothing such as bathing suits and bodysuits, tight overalls etc. If not, where can I get some help. Please help me.