Relying only on your smart ideas without signaling warmth is a mistake, as competence without warmth leaves people feeling suspicious of you.

Using a question inflection (raising your tone at the end of a sentence) when stating a price or giving advice signals a lack of confidence and invites others to doubt or negotiate.

The microexpression of contempt, a one-sided mouth raise or smirk, is the single biggest predictor of divorce, with researchers able to predict it with 93.6% accuracy.

A study on surgeons found that those whose 10-second voice clips were rated lowest in warmth and competence had the highest rates of malpractice lawsuits.

To instantly increase your warmth, use a slow, purposeful triple nod while listening, as research shows it encourages the other person to speak three to four times longer.

When people lie, tissue in their nostrils can swell, causing an itch that leads them to touch, itch, or scratch their nose more frequently.

The 'Still Face' experiment demonstrated that when we don't send any nonverbal cues, it causes anxiety and confusion in others because they don't know how to interact with us.

To appear more competent, adopt the posture of a winning athlete by taking up space, using open palm gestures, and maximizing the distance between your earlobes and shoulders.