"This is to remind me that orgasm is not a right, orgasm is a reward which I must earn or be granted. My little dicklet is not a toy for me to play with any time I choose. My balls will stay full of cum until I am given permission to squirt it out, no matter how sore they are and regardless how frustrated my little weenie is. My balls and the cum that is in them belong to you."
"I would LOVE to be teased like this, my little dicklet straining against the inside of the chastity cup while pre-cum drools out of the hole in the tip."
"The tasks should include totally pointless labor that is a mind-numbing waste of time which yields no material results. After four or six hours of it give him three minutes to masturbate, and while he's doing it be fully clothed and talk about totally distracting things. Make it so difficult to keep his mind on the task 'at hand', no erotic material allowed, and when his time is up and he hasn't squirted he must let the swelling go down and confine his dicklet once more into the chastity device. As punishment for wasting your time you might smack those sore balls a few times with a wooden spoon or something like."