Precum is the clear slippery fluid that often begins to slowly "leak" from the tip of the penis when a man is very excited. Rubbing the penis along (or even deep inside) the vagina is perfectly safe as long as the penis is really ONLY leaking precum, there is no way sperm will be released onto or into the vagina. There is a very common misconception that precum actually contains sperm. There are studies that prove that precum does not contain sperm. There can be a small quantity of sperm cells in precum if the man has not urinated since a recent ejaculation.
Precum is often falsely blamed for a pregnancy in cases where the man fails to admit that he either accidentally (or purposely) ejaculated. If a pregnancy results, precum is incorrectly blamed, but it was almost certainly because the man shot one or more real sperm-filled pulses (or "squirts") of semen onto or into the vagina. Sometimes men get overwhelmed by a powerful primal instinctual urge to impregnate, and may even try to "sneak in" one or more squirts of sperm-filled semen before pulling out. This is not always logical. In a sane and rational moment, they will admit they do not want to necesarily impregnate, but the urge to squirt inside the vagina is very powerful in the heat of sexual arousal. The natural urge when orgasm hits is to shove the penis deeper inside -- not pull it out and away! This is how precum got its "bad name". As long as men do not ejaculate, stay in control and pull all the way out before squirting real semen, fooling around is safe.
Yes it is possible to orgasm without releasing semen. If you are before the age of puberty, have certain reproductive problems, or already depleted your supply of semen, a dry orgasm is about as close as you will get.
Unfortunately no. A wet dream is the male's body's response to having a lot of sperm/semen built up in the body if it not released during intercourse of self stimulation. A male can only go so long without ejaculating, otherwise it is done during sleep.
Atrophy.
Atrophy
Once you ejaculate you need to wait a while before it is possible to have another orgasm. Some people say that there are ways to orgasm without ejaculating, and therefore have unlimited orgasms, but its probably not too accurate. Just one.
Smooth & cardiac muscle.
somehow
A loss of purpose. Purpose creates stimulation. Without stimulation, anything; man or machine will begin to deteriorate.
You accidentally got it in there somehow without noticing.
I somehow think I might manage to survive without steamboats.
Yes with constant stimulation, it has been done before.
They might be going through puberty.