How much do you know about sex?

Show of your knowledge of the most intimate of occurrences. Actual important questions, who knows, you may learn something as a result.

1 Alright, lets start with something easy: How many sperm does it take to fertilize an egg?
2 To prevent conception you may..
3 To prevent STDs you may
4 A woman can have multiple orgasms during sex
5 A man can have multiple orgasms during sex
6 which of these is not an actual form of contraception?
7 The g-spot is
8 The average size of an erect human penis is
9 In a survey women were found to care about the size of a man's penis
10 Masterbation
11 Sexual communication between partners
12 sex is something
13 love means