You really need to be careful about meeting new people. Especially if you’re using an online site or mobile app. It’s so easy for people to disguise who they really are and it’s difficult to tell who they really are.
There are certain personality traits (called “The Dark Triad”) that are detrimental to one’s mental health if they attempt to have any kind of personal or intimate relationship with someone who possesses these traits. In this post I will provide some useful links on this subject and discuss “The Dark Triad”.
To begin, take a look at this article from Psychology Today for a brief introduction on The Dark Triad.