When we’re young and reckless, there’s so much we don’t understand about life.

But as we age, we begin to see more clearly.

So redditoru/Lucky-Ad-288asked, “What’s a piece ofadult adviceyou wish you’d known sooner?

Courteney Cox, Jennifer Aniston, and Lisa Kudrow in wedding dresses, sitting on a couch, drinking from bottles, and eating popcorn

Here’s what people said.

“Maintaining friendships in your 30s and beyond is a part-time job and should be treated as such.”

“Other people think about you less than you think they do.”

Two people hold an elderly woman's hands, showing care and support

u/theothermeisnothere

3.

Setting boundaries is crucial for maintaining your mental and emotional well-being, and prioritizing your needs is not selfish.

u/throwmeaway456456456

5.

Jim Halpert, Pam Beesly, and Dwight Schrute from The Office stand in front of a wooden door, appearing to have a serious conversation

“Be careful of who you vent to at work.

Everyone is toxic to a degree and has something to work on.

It doesn’t give people an excuse to mistreat you.

A close-up of a person in a long-sleeve shirt holding a cardboard box

u/Maybe-Later28

7.

“Learn to live alone.

The idea of that used to terrify me, but nowadays, I consider it my superpower.”

Hands sorting through an assortment of instant photos on a table, with a laptop and a yellow camera in the background

“Someone elses greater achievements don’t take away from your progress.

Its you versus yourself.”

u/Dry_Significance6922

9.

Sydney Sweeney, Alexa Demie, and Barbie Ferreira in a heated argument in an indoor scene from the TV show Euphoria

“Take lots of photos of mundane things.

I am a nostalgic person, so this is big for me.

But I wish I had more photos of life’s everyday joys to aid my memory.”

An adult's hand gently holding a baby's hand

“Learn to laugh at yourself.”

Gaudior

11.

“Don’t be afraid of losing toxic people just because you’ve known them a long time.”

Person swimming underwater in a pool with arms extended and legs kicking, creating bubbles around them

brandonbear35

13.

“Your parents are not always right.”

u/Beo1217

15.

A person with a backpack walks across the Brooklyn Bridge in New York City, with the city skyline visible in the background

“Trust the timing of your life.

“If it won’t matter in five years, don’t spend five minutes thinking about it…

This is the best advice I’ve ever received.”

A person with sunglasses and a bun takes a photo of a scenic coastal town and marina from a high vantage point

pjoc

17.

“Prioritize your health!

I didn’t exercise or go to the gym when I was younger.

I ate a bunch of sugar, drank way too much, and smoked cigarettes.

All of these lifestyle decisions compound in your 40s.”

It changed me for the better.

Not all of it was pleasant, but it was incredibly crucial to my personal growth.

“Everyone’s faking it.

Yes, even that super-confident, capable person you know from work/school/your friendship circle.

So don’t feel scared if you are too.”

u/BillyBatts83

Note: Submissions have been edited for length and/or clarity.