Ty was so amazed and pleased at Jeff's transformation; he followed Jeff home invisibly, loving the way Jeff's six hugely-muscled, lithe arms dangled against each other, Jeff's six hands occasionally smoothing themselves along the biceps and forearms of his six gorgeous arms.
The arms, beautiful as they were, did add a few armloads of weight to Jeff's stallion-beautiful body. Ty could sense the heaviness Jeff was feeling (and enjoying), and the idea came to him: Jeff's beautiful legs could use some new friends as well. And so it was.
To Ty's pleasure and arousal, Jeff was now treading homeward on four handsome feet, lightly flapping against their four flipflops as his four muscular legs carried him casually along. His second pair of gym shorts sagged under its load of triple hind cocks, swaying heavily as his hind legs walked themselves along. That's when Jeff noticed he had four legs - his hind cocks were kind of warmly kissing his front legs as the three new cocks started growing out of the hind shorts.
One, two, then three pairs of Jeff's strong, gentle hands reached hindward, feeling his glutes and their new neighbors, his hind glutes.
He stopped, trying to look back at his hind legs, getting three arms on one side out of the way to look past them and sure enough, there they were! He had four legs, four feet!
He thought he was dreaming, but it would have had to be a wet dream, because he couldn't help himself: his now-fully-aroused hind cocks let forth their huge loads, soaking his front and hind legs in thick, steaming hot come, getting his four feet and flipflops all gluey with wads and wads of glistening whitish come.
Jeff staggered on his four legs, managing to walk them to the lawn by the sidewalk, and using his six muscular arms to lower himself to the lawn, seated on his come-soaked tangle of multiple legs and feet.
Ty knew he would have to come, too, and thought to himself, should I let Jeff in on what I'm doing to him?