mount

There is this one dog that loves to lick my bum out and I’ve taken his knot before but he’ll never actually just mount me and start doing it is that something that takes a minute for him to start doing is there something I can do to make him mount me himself?

The kids I have access to is infact neutered. I'd love to have him dump his cum in my ass and knot me. But nonetheless he can still get hard. He will let me jerk him off and he will fuck me with excitement. He hasn't knotted me yet. And he does not cum. Once he fucks me for about 30 seconds he...