A small-business employee is worried about what a coworker's sudden departure is going to mean for them. When you're on a small team, every absence is noticeable — someone's going to have to pick up the slack. But this guy wants to take things even further, by telling the boss what their coworker is planning. This person turned to r/AmItheA**hole before putting this plan into place. U/DPP_Toku is in an awkward position at their job. Their coworker, “G," is about to leave the company, but for so…