1. Micro Expressions – These are tiny, quick facial expressions that show true emotions before someone hides them. - Example: They say, “I’m fine,” but for a split second, their eyebrows pull together or lips tighten meaning they’re actually upset. 2. Baseline Behavior – Everyone has a natural way of acting when they’re honest. If that suddenly changes, it’s a red flag. - Example: Your friend usually talks a lot and makes eye contact. But when you ask about missing money, they suddenly get quiet

Micro-expressions are tiny emotional leaks that happen on the face in a fraction of a second, far too fast to consciously control. They’re real, they’re measurable, and they’re one of the most honest signals of human attraction. According to research by Dr. Paul Ekman, micro-expressions last between 1/15th and 1/5th of a second and are triggered by the limbic brain, the part responsible for emotion and survival, before the rational brain has time to intervene. That’s why someone can say they’re