Mine are short. The build up is intense sometimes I don't get heavy breathing I just kinda stop breathing and have to remind myself to breathe, but the peak just feels like pulsing for like 4 seconds or less and that's it. It doesn't even feel good. I'm not energized after. I don't get waves of pleasure that puts me in pure bliss or whatever and I don't feel good or energized after I just feel like "okay" and I'm done.