It’s a question I've started asking myself. Sure, I’m 47 years old. I’m not set to retire for a while by society’s standards, but why should I stop doing what I enjoy? Many people hate working 9 to 5 and can't wait to retire. But, I love my job! I love getting up each morning and serving the needs of others.
Job...that might not be the right word for it. Instead of thinking about it as another job, consider getting a second source or third source of income. I can see how this might be a weird idea. But, in the future, creating a second or third source of income is very possible even without disrupting your life.