You dwell and you study … literally !

WeaskedtheBuzzFeed Community, specifically people 30 and older, to share advice they wish they had known earlier in life.

Here ’s what they ’ve learned :

1.“Choose your battles and know when to walk away from people.”

2.“Treat mistakes as life lessons and you will have fewer regrets.”

3.“You don’t need to be in a relationship to be happy.”

4.“Adopt healthy habits early and they will be easier to maintain.”

5.“You can do everything right and still lose.”

6.“People in your life are like characters in a book.”

7.“Always practice safe sex.”

8.“Do it anyway! It’s your life; only you know what will work, fulfill you, and make you happy.”

9.“The less people you chill with, the less BS you deal with.”

10.“Get a High-Yield Savings Account (HYSA), ASAP!”

11.“Be the better person by being a good person.”

12.“Embrace change.”

13.“The longest relationship you’ll have in life is with yourself.”

14.“If there’s something you want to do, don’t wait for friends to do it with you because you’re scared to venture alone.”

15.“Regular bills like utilities, insurance, cell phone, etc. are not reported in your credit history unless you don’t pay them.”

16.“Find friends who share common interests with you instead of just sticking with the friends you have history with.”

17.“Love yourself and be grounded in who you are.”

18.“If you keep looking in the rearview mirror, you’ll miss the beauty of the road ahead.”

Jennifer Lawrence as Katniss crouching down with a quiver of arrows on her back

Phil Dunphy said,  "When life gives you lemonade, make lemons. Life will be all like, 'WHAT?!'"

Penn Badgley in a suit with hands up against a window, showing a surprised expression

Man in varsity jacket holding oranges near an open fridge, conveying a healthy lifestyle message

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Animated characters, a smiling dragon creature next to a boy with a surprised expression, from the show "Big Mouth."

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A woman saying, "i just needed some space"

Jamie Foxx portraying a lawyer in a courtroom, gesturing during an argument

Michonee with a determined expression, holding a weapon, with the subtitle, "We have to choose to be the good guys" in a scene from The Walking Dead

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Tabitha Brown laughing

Woman driving a car, focused on the road, with a man standing on the sidewalk in the background