When having sex, the muscles of the body tend to tense up. This tenseness can lead to cramps.
About 4 and 5 calories per minute so, but obviously it varies by how vigorous the sex is!
The Y chromosome is the male sex chromosome, but males also carry a X chromosome from their mother. XY. The female sex chromosome is the Y chromosome; YY is female. ( generally, as sex chromosome number in both sexes can vary )
It's NEVER safe to have unprotected sex. Use some form of contraception, risking it isn't worth it.
15
It probably will hurt a little, but not for long. Also use a condom, seriously you don't need to be pregnant at 14.
Usually it shouldn't hurt, neither during, nor after, having sex.
No it will not hurt you.
No not at all it is the same thing as having casual sex as long as you are not ramming hard
== == If its what you want, it is okay. As long as it doesnt hurt anybody even yourself!
It shouldn't hurt. You may want to consult a doctor.
no it does not hurt why may i ask how old are you ?
it hurt by having sex
no
No, sex should not hurt. Sex may hurt if your foreskin is too tight and can not slide up and down over the head easily. For information on how to fix this with gradual stretching exercises, search on Wikianswers for "How do you stretch your foreskin?"
If you are talking about anal sex; yes it can, but it can hurt less with proper lubrication.
It might hurt a little the first few times you have sex again.