My insecurity is not embarrassing, but valuable

For a while, a man lived in a shared apartment with friends who didn't say hello when we were sitting together in the kitchen and he was getting something from the fridge. He walked in and out of the kitchen with his head bowed. Sometimes this annoyed someone, and once a friend said to him: "Oh, don't be like that, he certainly doesn't mean it in a bad way. He's probably even decided that when I go into the kitchen today, I'll say hello in a friendly way, but he