14 changes to make in your 30s that will set you up for lifelong success

Sam Walton founded Walmart at age 44; Julia Child published her first cookbook at 60. Your best years may be way ahead of you.

It'll depend a little on luck and a lot on how you behave in the next decade or so - i.e. not procrastinating, overspending, and wallowing in self-pity.

Over on Quora, hundreds of people have shared the best ways to spend your 30s in order to lay the foundation for success and fulfillment later on. We sifted through those threads and rounded up 14 compelling responses.

Read on for the small lifestyle tweaks that will pave the way for big life achievements.