I get friends who would do the same type of thing as Dougs friends, but more for tools and useful items and not so much as first aid.
What I carry tends to hide in what I would use for work, and if questioned about why I carry something I can usually explain it like that, but I dont tell everyone about everything I carry.
2 of my best friends will speculate about what I have packed away but it doesn't go any further than a few sly jokes. They are both very capable people and are resonably prepared anyway, but we have never discussed anything in conversation about what we have prepared or why. We pickup ideas from each other because we can relate ideas across vastly different occupations.