Your boyfriend too may enjoy his erection more because of the pressure he feels against his member. To understand it better, think of it as grinding your butt at a.
If you've seen couples twerking together you've seen dry humping. It can be done lying down as you described. Generally speaking the less between.
We were both moaning, and then he got really excited and started dry humping me? Why did he do this? Not that I mind, I'm just curious.
I know that some people dry hump pillows and stuff, but my boyfriend is going through a faze of wanting to dry hump me instead of having sex. Even if I still want.