"Don't worry, my balls are resistant, but now choose one ball and combine your weight with it simultaneously for 1 minute and then switch to the other and continue until one explodes under your sweet weight."
"Last night she took off my chastity cage and teased me; I was ready to cum at any moment, but she asked me to try not to cum so I could build up my massive load. She let me edge myself, and after a couple of hours I gave in and started begging her for permission to cum; she locked my cock back in the cage, preventing me from ejaculating. She asked me not to be upset - she just needed to test something. By morning, my balls were sore; they were really swollen."