It must all feel so overwhelming, huh? The good news is, no one ever has to know what you do in the privacy of your bedroom. Even if you have a spouse, you're allowed to take private time for yourself.
Casey Strom, the owner of ABUniverse (a very large adult baby diaper company) says that they receive orders regularly from big name politicians and celebrities all over the world. What this means is, there are famous people who are abdl, and we common folk haven't a clue. And they have paparazzi on their tails 24/7.
It's okay to go at your own pace. Look around, maybe read some stories. See what seems exciting to you. Experimenting is as easy as plopping a thumb in your mouth and watching a favorite show from when you were a boy. Or maybe you're more into diapers, you might pin a towel between your legs and see how that feels. Lots of us started there. Myself included!