Groups go towards conformity they become echo chambers. One person said something and it keeps going and going and it begins an indefinite cycle of toxicity.
It’s such a big difference when you move on from being around people who were immature in all senses to people who are mentally and emotionally mature. It’s an eye opener and relief that the change was made :)
You're scared to take a 4year course because your 28 and by the time you finish ,you'll be 32. Whether you take the course or not, in 4 years time you'll still be 32, so why not be 32 doing something you love?