There was an interesting story about eye contact.
Visiting a wealthy American, the Russian poet Evgeny Yevtushenko noticed a magnificent moose’s head mounted on the wall of the home.” How could you bear to shoot such a magnificent animal”. Yevtushenko asked.
“it was easy ,”said the host,” he didn’t look me in the eye, if he had looked me in the eye, I couldn’t have shot him.”
The ability to look someone in the eye is a sign of high self-esteem. Also a sign of assertiveness