I can only share my own experiences with this situation and tell you that it gets easier as time goes on. My sister was the nosy one in our family. When I was a teenager I had some panties and whatnot. The first time she found me out was pure dumb luck and I was able to downplay it. The second time I went a little crazy and didn't hide the items as well as I should have and she found them easily. This time it involved a dress, a bra, panties, and a maxi pad. Even worse was that she showed all of my friends during a sleepover. Then I had to face my father, not fun. The third time it was actually our dog who found some underwear I'd lazily hidden under my bed. Had to face dad again. It hurts for a few weeks and you get really paranoid, but it goes away. After a few years I wonder if anyone even remembers those episodes. Luckily my dad never found out about my diapers, but I don't know what's worse. Having a son who likes female clothing, or diapers?