What Age Are You Forced to Retire?
Take a look at a comprehensive breakdown about What Age Are You Forced to Retire.
Probably the biggest indicator that it's really ok to retire early is that your debts are paid off, or they're very close to it. Debt-free living, financial freedom, or whichever way you choose to refer it, means you've fulfilled all or most of your obligations, and you'll be under much less strain in the years ahead.