On the floor. You have more space to roll around and have sex. And more room for the girl to go down and suck the boy's penis :)
yes
No just undo your zipper and pull her panties down from her skirt
Yes u do. No, you can have sex with all your clothes on. All that's required is for the girl to have a zipper in front and for the guy to also have a zipper in front. It can be a variation and be...