I once called a guy into his own office and spun around in his own chair to greet him. That kind of thing may be why I quit, before I got into serious trouble. I would smile and the person would get so upset. But you do a thousand of those things, and it makes you weird.
When my son was 3 years old - I'll never forget this - there was this homeless guy walking toward us, and my son looked at me, and he said, 'Who's your buddy?'