The holiday season and the end of the calendar year are times of celebration, which means that the office holiday party season is upon us. Some people love corporate holiday parties. Others loathe them. Some people attend out of a sense of obligation. By far, the number one question I get about office holiday parties is, “Do I really have to go?” No. Of course, you do not have to go. Attendance is not required. However, you should at least put in an appearance if you can do it without real hardship. Even managers who say the party is optional often care on some level if you skip it (especially if you skip it multiple years in a row), and you risk being perceived as less engaged with your job or team. With that in mind, here are some tips about office party etiquette to get you through the evening and ensure your reputation remains intact the following day….