I retired at 51. It became very difficult in the later years, primarily because of declining memory capacity. In software, you need to learn new things all the

I retired at 51. It became very difficult in the later years, primarily because of declining memory capacity. In software, you need to learn new things all the time, about new technology, as well as information about your local projects, which could be huge, some projects are millions of lines of code and hundreds of services, you should remember all that. Only thanks to timely Netflix investment, I was able to retire early and escape the embarrassment.