A diaper is a piece of cloth, or a pair of paper pants. Most folks do not find those things sexy, but some of us do. If a hot gal (or guy) is even sexier in a diaper, you have a mild diaper fetish....
There is nothing wrong with a fetish unless it's self-destructive or hurts people you care about. But if the feet become more important than the people they're attached to, or if you feel like you're...