It can be hard to read people. Especially, when people present their representative instead of their true selves. Trust your gut. Trust that feeling. Trust your first impression. Discernment doesn't rely on tangible evidence. It's a feeling. It's an unction. It's a personal truth. Some might call it a vibe. Feel their energy. Character is a consistent truth. Pay attention to subtle signals. See the whole picture, not just what is trying to be shown.
"The first point of wisdom is to discern that which is false; the second, to know that which is true."-Lactantius