Getting into COBOL to be able to write your own checks is a valid answer.

Yes. Clisp to Java to Scala and to the Java finally. Every switch was to get more money. As a result in the end I got more money and more domain experience. Most switches were traumatic for a week and then it was back to normal.

Changed from ColdFusion to C#. I was able to stretch minimal C# exposure during a contract into enough experience to convince someone to give me a full time gig where I was able to learn on the fly. I did pick up some bad habits that I had to unlearn as I gained more experience.

Go back to Java

Sort of. I was a “language of the month” hobbyist. Then Visual Basic and Access with VBA came along and I could actually be productive enough to ditch my labour jobs in favour of a small freelance operation that generated comparable income, but was way more fun and much easier on my back and joints.