Why do some people seem naturally better at picking up on non-verbal cues, and can others learn to notice these subtle signs more effectively?

Is having as little communication with our family, as possible, the key to having a peaceful life and coexistence with them?
Why might celebrities feel pressured to hide their health issues to maintain their careers?
Have you ever felt uneasy around someone at family gatherings, and how do you handle it without causing a scene?