Yes. The semen will just not contain sperm.
NO you will do according to your body capacity
Yes they do, they just have low mobility, 'dead' sperm. or no sperm at all.
That's totally up to you. Typically, women can have multiple orgasms. Once you get them there, and you're still "hitting the spot" they can ejaculate within a short period of time. For guys, we...
Yes there are small amounts of sperm in it, and yes you can get a woman pregnant with it.