Is this seat taken?

It’s official. There’s a plague going on in my office. It’s name is Tim. Everyone that sits around me has either quit or been fired in the past 6 months. One cube even had two people come and go. In our team of 30 people, 5 have quit or been fired in the past 6 months, and they all have one thing in common. They sit next to me. Here’s an illustration*:



But hey, look! Here comes Titso to cheer me up!



I've been whitening my teeth, can you tell?


*I've got mad Paint skills.