4. Mutual Gaze is a Sign of Love.
Research on love and attraction has found that mutual gaze—staring into each other’s eyes—is a good predictor of two individuals being “in love.”
5. Eye Contact is a Valid Cue to Deception, But Not in the Way That You Think.
Everyone assumes that a liar won’t look you in the eye, but research on the nonverbal cues associated with deception suggests that a liar engages in more eye contact than a truth-teller. The explanation is that the deceiver goes the extra mile to try to convince you of his or her veracity and so “overdoes” the eye contact in order to appear truthful.