https://www.scienceofpeople.com/body-language-examples/

Eye contact that is mutual—neither lacking eye contact nor being a little too interested.

What it Means: Longer eye contact, especially from people who are high-status, makes us feel favored. This is especially true when receiving eye contact from celebrities or movie stars^Nav.

Increased eye contact also indicates the other person may be curious as when people are more attentive to their surroundings, their blink rate will generally decrease ¹(nchi).

Warning: Do not make 100% eye contact! That is actually a territorial signal and shows aggression. People often do it before a fight.

You want to do mutual gazing. Eye contact when you agree, when you are listening, when you are exchanging ideas, or when staring at your amazing self in the mirror!

The Science: Making eye contact just 30% of the time has been shown⁶ to significantly increase what people remember you say.

You can also give a boost to your perceived persuasiveness, truthfulness, sincerity, and credibility just by mutual eye gazing¹(nchi).

Interestingly, certain personality traits were found to relate to more mutual gazing—namely, extraversion, agreeableness, and openness ¹(nchi).

How to Use it: Increase your eye gaze to bond. However, make sure to glance away occasionally, since too much eye contact can be seen as threatening and make people feel uncomfortable.