Things that irritate most people about another person: disloyalty; dishonesty; talking too much; too secretive; a gossiper; vanity; ego maniacal; getting credit for someone else's work; flirting with someone else's partner; having no manners; pestering someone when the other person has told them to leave them alone; selfishness; someone that argues constantly; some who is constantly whining and does nothing about their problems or takes one's advice; someone who does not take no for an answer.
