This might be a strange question but I had this discussion with a friend where we debated about whether you should trust a person from the start until proven otherwise, or the other way around, where you should be wary of people until they have gained your trust.

Next to that, we were also wondering about things you can look for to spot if somebody is trustworthy or lying. I found these tips about red flags pretty cool, because they're subconscious things we do: https://youtu.be/C03b-SVy7nQ

What's your stance about trusting people? And what are some ways that you check if someone is lying or trustworthy?