Yes, it feels very good.
She will feel anxiety and then extreme relief and a extremely good feeling during and after the orgasm.
Awesome!!!!!
Yes, it is one of the most common motions in intercourse. Sex feels good for the majority of people so yes, it feels good.
they try to feel brave
No. You can have sexual intercourse when you're pregnant, though it might feel a little different
Yes
When I do it he gets very angry and threatens me with physical harm. When you do it he might like it.
It's not "required". It's a choice. The main purpose of sexual intercourse is to reproduce. In order to keep the species going. The secondary use of sexual intercourse is to show your love to another person by making them feel really good.
Consideration and practice.
it feels good to them
The same as sexual intercourse. If you don't know that term either, the Wikipedia article on "sexual intercourse" should give you a good overview.