If you're stuck taking care of your spawn there's a good chance you aren't getting your kicks racing your fancy car around. Damn babies take up a lot of your free time. But hey, that doesn't mean you can't get a taste for speed and instill a healthy fear of his father into Junior at the same time.
One time in High School, we sat on a toilet seat without using one of those seat covers and totally got pregnant. Then we got fat, and ick, could hardly find the time to stay in shape. If only we had this Strollometer to keep us fit.