Cheating

Engaging in significant actions without understanding the purpose behind them can be a sign of poor emotional intelligence.

Quick to anger over anything at all

siding everything, to make people side with things, trying to win every self initiated arguments, thinking that world is either black or white simply because they don't comprehend any shades of grey.

Elon Musk.

Gaslighting

Lacks empathy.

They claim to be a loner, a lone wolf, don’t want or need anyone let alone friends.

“it’s okay everyone leaves anyways”

A person can't get along with coworkers