Your first day at a new job is nerve-wracking and awkward, as you're just getting used to your new surroundings, and meeting a ton of new people that may or may not end up making your life difficult. Getting along with new coworkers is a hard task, because you haven't quite made your name yet in the office or industry you're working in, and people can take advantage of the fact that you're new. My own anxiety only begins to wean once I'm a few months in, and less embarrassed to stand up for mys…