That's something they do in porn movies and as lube it is totally useless. If you are with a guy who does that tell him not to.
For a girl, it hurts if you haven't have sex before. For a boy, it hurts if the foreskin hasn't been pulled back yet. A lot of people believe it is the most pleasurable thing you will ever experience.
Your penis will get infected and really sticky and no girl will be attracted before entering sexual entercourse
Well physical relationships don't matter. The girl that won't care about the size of your penis is going to be a girl that truly likes you and that is what counts.
No - if a girl has a penis then she is physically male and thus doesn't have a uterus, as such she does not menstruate.
Not very likely at all, but if you are worried have her take a pregnancy test
no.
You may be confused. Girls do not have a penis.
The size of the penis has nothing to do with your ability to get someone pregnant. Its your sperm. So yes you can get a girl pregnant with a 4.5 in penis.
a penis
No, usually if it bends when erected, it may be something to see your GP about, but if not then your penis is normal. If your girlfriend loves you, then she shouldn't care.
Boy because they are putting all Baby things in blue
It is wrong to say "the penis grows when a girl is around". Actually, the vessels inside the penis relax to let more blood into the veins of the penis (we call it cavernous vessels). This engorgement of vessels makes the penis get larger in case the girl is available for a penetration. This is called erection, not growing.