7 things you should never say to your office nemesis

To paraphrase John Watson in BBC's "Sherlock," in real life, people don't have archenemies.

You probably don't have a scarred, white cat-stroking supervillain to contend with in your life, but it's possible that you do have a workplace nemesis, that person in the office that you just can't stand to be around.

Most of the time, you can get by just by ignoring this person (and maybe rolling your eyes at them behind their back).

Above all else, it's important not to let your personal disdain get in the way of your ability to work effectively.

Here are a few things you should never say to your office foe, lest you escalate the already tense situation: