im new to all this and never been fucked bare yet , was just wondering where does the cum go once its inside, from porn ive seen some come out but not all

I have learned how to immediately tighten my ass, so that the load stays inside.

When a guy cums in me, it stays there... the ass is an effective way to absorb medications, so i believe his gift of cum (and anything else he has) just gets absorbed into my body.

When i was younger i always wanted big chunky, big dicked, hairy guys to cum in me, believing their dna would make me bigger and put some hair on my chest! I took loads, still got a little slim, smooth body but do have a good sized dick! Don't think it had anything to do with the cum from huge cocks! But sure was fun at the time!!!!

Now i take cumloads from anyone, just let it absorb into me.... or find another cock to push it deeper, and mix it up with more cum, never lost control and lost the lot but have been fucked so much that the odd drip has run down my leg after....

It depends. It is either absorbed into the body or it stimulates the anus to contract which makes you go potty.

there has always been different opinions and thoughts on this as someone said like medication put inside it is absorbed and cum the make up of it the liquid parts of it are absorbed into the body I love that part the thought of it entering me twice 

The sperm can stay alive for at least 3 days. It can remain in you swimming around. Depending on its job, it will be looking for an egg to fertilize or another man's sperm to block and kill. If it's not absorbed into your body, it will be evacuated normally.  I have a microscope,  and have seen sperm alive and wriggling 3 days after being bred by a man. Most sperm I have checked is still alive after 2 days, but 2 men I checked lasted 3 days.

Partly from what I have seen of my own loads after cumming, the delivery material that makes up cum to deliver sperm breaks down having done its job.  I had a 5-year regular whom I usually played with 2 to 4 hours at a time, sometimes 9 hours including rest; I usually fucked him at least half an hour nonstop during that time.  Once I surprised myself by completely covering his face with my load--I'm already a bigcummer, so that was about 2 1/2 times my usual load.  About half the time, I would unload balls-deep inside him--being 8 inches long topside, that was so deep he sometimes wondered if I had really bred him.  He usually made a point of holding on to it as long as possible.  Once, though, I had left about half an hour after breeding him; he said that about half an hour after I left, he thought he needed to use the restroom--instead, he said he "gushed" a huge load and was astonished for weeks that I had unloaded so much cum in him!

So, on the whole, since it breaks down and the colon is designed to absorb liquid, it makes sense that guys who can hold a load long enough will absorb it; but, if the load is big enough, you colon reacts from the pressure to expel it.

I believe that some is absorbed. I host late night and after  play I go to bed with the donors cum inside, in the morning only a small amount comes out. I have checked the sheets and there are no indications of a leak.