I recently decided to quit my job as a Document Control Specialist at a construction company. I had been working there for a few months after being laid off from my previous position as an Engineer Technician due to my last company seizing all projects. I loved my old job, but after five months of job hunting, I took the first offer that came my way. Unfortunately, I quickly realized that this new role was not a good fit for me. The work environment was stressful, and I was working unpaid overtime, which took a toll on my mental health. I even had a breakdown and had to seek help from a psychologist. Out of the blue, my former employer reached out to me with a 6-month project and offered me my old position back, along with all the benefits. I want to take this opportunity, but I'm unsure how to tell my current boss that I'm resigning. I know I should be straightforward and professional about it, but I also feel guilty about leaving so soon. My plan is to use this time to study for the EIT (Engineer in Training) exam and save money for my next career move.