How give a lesson to a co worker who never greet before asking questions or sending works thru messages?
He's my junior. Just started working less than a year. ALWAYS texting me to recheck his works without even saying hi, goodmorning goodnight or sorry to disturb.

He's my junior. Just started working less than a year. ALWAYS texting me to recheck his works without even saying hi, goodmorning goodnight or sorry to disturb.