Breathe in that fresh air while you can, bitch! The tube on your gas mask ensures that I can easily control your breathing supply...and how much you breathe of it. If the full body mummification, medical neck brace, and the gas mask haven't informed you of this, you aren't in control anymore. So suck in that oxygen while it's good because you won't know the next time I cut off your air supply. I can see you gasping on it, freaking out a little bit. Perhaps you breathed out a little too quickly just as I cut it off? It's probably better that you struggle less, you want to conserve that precious energy because you don't know how much is coming your way. And when you're sufficiently scared, it's time to reward you with the scent of my asshole and my pussy. Can you smell it through that tube? I'm sure you can, because you're getting hard now...and how can I resist teasing a hard cock? I'm going to leave that tube in my underwear so you keep on breathing it in while I edge you – with both hands and vibrator, just to spice things up. Maybe I'll even let you cum! As always, you need to cum at zero at the end of my countdown. I know you're notoriously bad at cumming on time, so I'll be more than generous. But if you're not... Well, you knew ballbusting was always going to be the answer to that, right? If you can't cum on time, it's best not to cum at all – and a swift punch to the nads will ensure that you lose that boner as fast as possible.