[A2A] My answer to you is simple: "If you like your job, stay. If not, look for something else."
Regret is a very important method of self-improvement. So, it is really important to be regretful for stupid things that we do. But, this decision is not something that I would regret about, either today or 30 years down.
I like to blog about various topics ranging from education in IITs to social issues in India and US. All opinions and views presented here are my own and not of my employer.