Insulting co-workers and customers, blaming others, complaining that you are slammed with work compared to your colleagues and taking credit for something you had nothing to do with also are no-nos.
“It can be tricky to manage social relationships at work, but do not get into the habit of flirting with your co-workers or asking them out--especially when you have your eye on more than one person!” says Liz Ryan, Forbes contributing writer. “Life is long. If you and Mr. or Ms. Adorable are meant to be more than co-workers, that will happen in time.”