Yes, you can. Use protection
Yes the semen always come back out, this is normal. It has no place to go and the sperms are swimming towards the uterus.
she will find out once her period doesnt come
No it does not mean that you are pregnant. sometimes your periods are just shorter.
Yes
Yes
well you might be pregnant, if your lucky you wont be pregnant.
Sperm has to come in contact with your vagina to get pregnant.
i think its so the stuff inside doesnt come out...i think
No. The fact is that if you mastubate with boys, you get pregnant but a child doesnt come out a rabbit does D:
Yes, the sperm waits inside for the egg to come.
Or just 1 time if it happens when you are ovulating.
yes but u still can get pregnant