19 changes to make in your 20s to set yourself up for lifelong success

How you spend your 20s is hugely important for determining who you'll become - personally and professionally - in the future.

In fact, one psychologist calls this time period the "defining decade," since it sets the stage for the rest of your life.

We understand that might sound intimidating. To reduce some of the pressure, we put together a road map of sorts based on several Quora threads on how to make the most of your 20s.

Find out what you should start (and stop) doing in your 20s to lay the foundation for lifelong success.