What is prolonged eye contact but no smile?

Prolonged eye contact but no smile is often interpreted as a sign of aggression, dominance or disinterest. It can make the other person feel uncomfortable or intimidated. It is important to be mindful of cultural differences when interpreting prolonged eye contact as some cultures perceive it as a sign of respect and sincerity. However, in general, it is advisable to maintain a balance of eye contact and smile to convey warmth and friendliness.