If I see they're changing or their will to change is consistent. But before that, I gotta separate experiences I've had with each person and trust them based on their merits and who they are. When the negatives start manifesting in other relationships that's probably a sign it's not healthy at all and by that point it's no longer about one person but on how I'm affected by it, funnelling through every other relationship I have.
So really, I trust people too much and not enough. I believe in people and their experiences and that they have a right to express the way they view things through their view, if someone can't express themsel[...]