Personal trainer foot & blowjob domination

Description: Your personal trainer is tired of your mediocre effort with him. you’ll have not been following your diet, nor been training hard enough with him. he is giving you one last chance to prove yourself to him, an endurance challenge. he has always notice to you perving over his big feet. he put his feet up on your table and tells you to jerk off to them, but you are not allowed to cum until he says. he then grabs your dick between his feet and gives you a footjob, he goes even further than that dropping to his knees to suck you off. can you last until he finally gives you release or will you blow your load in his mouth?