I'm 48 next month. Spent 20+ years in engineering. 6 figure income. Quit and went to ASA when I was 43 at 20k/yr. Best job I have ever had, but I could go back to engineering and 6 figures tomorrow if I wanted to, so I don't live with the same concerns a lot of guys have. Also, my kids are grown and I saved a lot when I made a lot.