I stuck with that size because I could bend the strings so well, and somewhere along the line I must have gotten it into my mind that I had small hands, so I was thinking I'd never be able to play a full-scale guitar, but I also felt like I was cheating or cutting corners.
I ride a bike and use aerobic equipment twice a week, and work out with a trainer, lifting weights.
Nothing defines humans better than their willingness to do irrational things in the pursuit of phenomenally unlikely payoffs. This is the principle behind lotteries, dating, and religion.

