I see it as a kind of "body building" If it doesn't kill you , it makes you stronger. Trial and error is in there too. Who to trust. Trust with what? There go those "expectations" again. My mother used to say, "Expect the worst and then be pleasantly surprised. Her way of navigating. I trust everyone that they will do whatever they will do. And that's about it. If it is a legal thing, just get it in writing and you stand a fair chance.