When it comes to office politics, the rules are uncertain. But when it comes to the do’s and don’ts on navigating office quirks and idiosyncracies, it’s a little more clear. Like, you should avoid bringing home smelly garlicky foods from home to microwave and stink up the entire office. Nether should you be the one to hold up the office birthday card being passed around. Here are 10 unspoken rules of the of the office for you to be mindful of compliments of the folks at London and Zurick.