For the millennial generation, it can feel almost impossible to to stay fit and healthy, maintain a social life, and have your career sorted by the time you hit your 20s.
It's easy to look at the most successful people in the world and wonder how on earth they got there.
However, while some famous icons knew what they wanted to do and achieved success early on, others took a longer, more twisted journey to get to that point.
They may be rich, famous, or powerful now, but at the age of 20, things — for most — looked a little different.
Scroll down to see how 15 highly successful people got to where they are now, and what life looked for them in their late teenage years and early 20s. You might find you relate to some of their journeys.
J. K. Rowling went to Elephant Fayre festival.
JK Rowling is best known as the genius behind the "Harry Potter" series, but she didn't come up with the idea for Harry, Ron, and Hermione until she was 25. She struggled to get the book published at first, and couldn't focus at work, which led to her being fired from Amnesty International.
According the The Daily Mail, Rowling spent her teenage years going to festivals and hitch-hiking around the UK.
Bill Gates was busy writing computer code.
Microsoft co-founder Bill Gates discovered his love of computers at age 13 while at a prep school in Seattle. There, he wrote computer code for a version of tic-tac-toe, and then met and went into business with Paul Allen, his Microsoft cofounder, according to Biography.com.
Gates attended Harvard University, but then dropped out at age 20 in 1975 to focus on Microsoft, which then made him the world's richest self-made billionaire.
Jeff Bezos was flipping burgers.
Jeff Bezos, the founder and CEO of Amazon, started his professional career in McDonald's when he was a teenager. According to Cody Teets, author of "Golden Opportunity: Remarkable Careers That Began at McDonald's," he wasn't very good at it.
Bezos told Teets: "My first week on the job, a five-gallon, wall-mounted ketchup dispenser got stuck open in the kitchen and dumped a prodigious quantity of ketchup into every hard-to-reach kitchen crevice."
"Since I was the new guy, they handed me the cleaning solution and said, 'Get going!' I was a grill man and never worked the cash registers. The most challenging thing was keeping everything going at the right pace during a rush."
See the rest of the story at Business Insider