Dang, i'm really interested in what channel this is, but you don't need to say, that would expose your personal identity.
Famous people are always going to risk exposing something personal about themselves that the media would love to get a scoop on, I'd say that your problem isn't necessarily unique except that the thing you are hiding is. I think it is worth the risk of continuing on, because lets face it, if you can be a successful youtube poster, then you have a pretty cool job. I don't think you should give up on a dream like this just out of fear of exposure. I personally would hate being away from the comfort of my home for so long to be on all of those trips, but at the same time I would enjoy going on them if they were split up.
I'd say that unless you have a good backup plan for what you are going to do to earn money, you should put your profession first, because it is what makes your lifestyle possible. Without a job, you can't have the cash to wear diapers.
On the other hand, a profession should not have to always be interfering with a person's personal life, and if you are finding that the interference is too frequent to stand, then maybe it isn't worth it on your psychological health to keep pushing forward in this career direction. I kinda feel like this would mean that the news is coming to your house every week and the risk of exposure is inevitable. If it isn't always so frequent though, I would say it is probably controllable enough, that it wouldn't be too difficult to play it safe and make sure everything is hidden when they come over.
Also, try to think of some things that you could say if you ever did get discovered to play it down, and just stick to that. You could say it was part of a dare, or a bit of research.
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ArchieRoni said:
The other thing to remember is that lots of people wet the bed (googling for it suggests various numbers and it doesn't seem unreasonable to me that as many as 1 out of 20 adults wets the bed sometimes). So having diapers is mildly embarrassing but has plausible deniability. Even the baby design kind, if you say that you found them from Google and tried them because of their quality.
This made me think of this, which got posted not too long ago.
https://www.underwareness.com/ you really can just play it down if somebody found diapers in your room. Also, people quite commonly travel with stuffed animals according to a girl I used to know that worked at an lodge.