Do I have the makings of a good bull?

About a year ago I met this couple through a swingers' website. At first it was just 3some action, which was great, but as time went on it turned into me coming over & fucking her while her hubby was in another room working. I have to admit that it was a huge turn-on fucking her & making her scream while her husband was in the next room. Sometimes he'd come out and get some while I was taking a break. Anyways, she got pregnant (his baby I assume) and started letting me cum inside her. Even after she had the baby but she still wanted me to blow my load inside her. I've since moved to a new state, but after coming across this site I'm wondering if I was sort of like their bull? Do you think I have the makings of a good one? Comments on the pics are welcome.

my old playmate

she was very tight!

There is an old saying "if you have to ask you ain't"

I guess you were just born as such?

There's another old saying:

"It's better to be silent and be thought a fool than to open one's mouth and remove all doubt."

I guess I really didn't state my question clearly enough:

I know I have the s*******s, but how does one go about getting more experience as a bull?