If one wants to hold onto their job and advance in the company, they should treat it seriously. Having said that, do you still owe your manager an explanation of what you are doing and with whom when you are not in the office? The story below is an account of a frustrated employee. The original poster (OP) receives hourly pay for his part-time job at the local gym. At first, everything was going smoothly, and OP was enjoying working with the fitness enthusiasts. However, things took a terrible…