I put on my nasal cannula and talk about how it helps me workout. At first I'm using regular oxygen as I do jumping jacks, but then I have an idea. I switch my oxygen tank over to the tank of special gas that makes me horny. I hope that the gas gives me more energy to workout, but I soon find myself unable to keep my hands off my tits and pussy! Breathing in the gas is making me so horny that I have to stop exercising so that I can masturbate! I rub my wet pussy and continue to inhale through my nasal cannula until I cum