Long enough to make him pass out!

You knew that Jamal was going to be able to last a while due to him being a former breeder, but you weren't worried, you'd built up your sexual stamina over the years and the fact you'd taken a Viagra beforehand had tipped the scales in your favour. You smiled as you watched Jamal's bubble butt jiggle every time you thrust your cock into his tight hole.

Jamal moaned as he felt his insides being rearranged by your 8" meat pole, his prostate being tortured on every thrust by you which was getting him closer and closer to cumming, after one particularly deep thrust, Jamal whimpered and then wailed as he came (weakly) on the mat beneath him, you smiled when you got a look at Jamal's load, just as his cock and balls had shrunk down, so too had his load which now looked more watery than anything.

You enjoyed seeing the sheen of sweat covering Jamal's body which drove you on to pound him even harder, Jamal was stunned, he had been known as a strong breeder, someone who could outlast a great many people and yet here he was starting to feel exhausted from the fucking he was on the receiving end of. You grinned as you watched Jamal start swaying tiredly as you kept up your frenetic pace, not slowing down for anybody.

One hour later...

Jamal's eyes rolled back in his head as he passed out, your constant hammering of his formerly virginal ass just too much, you'd cum once as he'd cum three times, however thanks to the aforementioned Viagra, you could just keep on going and going until you went limp.

You knew that you weren't far off and reached under the table to grab a butt-plug that you'd slathered up with lube in preparation for this moment. You smiled as you felt Jamal's ass clench around you as he came once again, involuntarily this time before you started feeling your nuts tightening up, succumbing to the inevitable you pushed forwards for the last time and buried your cock deep inside Jamal, penetrating his womb as you roared out your release, flooding his already over-saturated cervix with your potent swimmers before inserting the butt-plug as your cock softened enough to fall out.