What we do in our 20s is terrifyingly important because most of the time, it is where we experience legit growth and determination of who we actually our or whatever purpose that we really serve. One psychologist calls this as our "defining decade" since it pretty much stages the rest of your life. Here are some changes you should make in your 20s that will help you succeed, as written by The Business Insider on Saturday.

1.  Write down your goals

"The act of writing your goals and dreams does a couple of things for you. It forces you to nail down what's really in your mind, and it gives you a tangible record that you can refer to over time," Quora user Dirk Hooper said.

2.  Let go of your ego

"Learn how to kill your ego. It blinds and fetters s from possibility and progress. Learn how to burst your bubble with simple questions such as, 'What if things aren't what they seem to be?' and vitally, 'What if I'm wrong?'," Quora user Michael Elijah wrote.

3. Read a lot

"So, I became a voracious reader. I engaged in a campaign to educate myself on any subject that inspired me. One book led to another. Over the years I've learned 10 times more than I ever learned in high school or college," Hooper said.

4. Stop trying to be someone else

"If there's one thing you can do that will help more than anything else, it's this: Live life on your own terms. Don't do things because you think you 'should.' Don't do what other people tell you to do. Don't do what society expects you to do. Don't sit around waiting to start living your life. This life belongs to you and to nobody else. You will not get a chance to do it again. Live it on your terms," Franklin Veaux once said.

5. Stop reminiscing and feeling bad about the past

"The point isn't to live without any regrets, the point is to not hate ourselves for having them. We need to learn to love the flawed, imperfect things that we create, and to forgive ourselves for creating them. Regret doesn't remind us that we did badly - it reminds us that we know we can do better," journalist Kathryn Schulz said.