First time experience masturbating with a butt plug in, a story and some questions

I'm a straight guy and never done any anal play or anything. Based on reading about how much guys seem to like it I decided to try masturbating with a butt plug. I went and bought one that's about 3" long and billed as a "beginner plug", I would estimate it is about the size of my finger although it has a couple of knobs on it.

Anyway I washed my ass and lay down, then spent a good while just stimulating my inner thighs, balls, and taint, and brushing my anus. It all felt pretty good. I...

First time experience masturbating with a butt plug in, a story and some questions