I'm fairly old, probably older than most on here and learned that the term adult is a funny thing at a very young age (barely over 10 at the time) when I met a very old woman at my grandfather's old folks home that showed me that people grow old, but doesn't mean anything for maturity, wisdom, it anything as such, as she was a childish piece of crap. It was an illuminating moment for me, who had been raised to respect the elderly and to consider them to bear all of those "good things". That said, I learned that just everyone has a side that wants to be young and many times, their "adult" hobbies tend to feel a lot more childish to me than collecting something of sentimental value which toys can be so if anyone would dare say anything, I have a large repertoire of replies at my disposal, but overall, in all my years, anyone that frowned was more about not understanding the hobby, and everytime I'd give a quick explanation they'd understand it a bit, enough to not be bothered by it as if they knew me, they knew that I certainly am "an adult" and all that stuff, and that I just had a different hobby than they were used to see/hear about. But the person I was stood out so it never been an issue .. if anything, my passion for my hobbies tends to be something that most don't have and it would surprise/impact them. To be honest, the most shameful stuff I see or seen in my collecting years (including other groups and hobbies) has been other collectors that turn fun hobbies into pissing contests and ego feeding trips.