5 Pieces of Older-Sister Wisdom Every Woman Should Memorize Before She Hits 30

Your 20s are weird because everybody suddenly seems to be living in completely different timelines. One friend is engaged. Another just moved to New York. Somebody else is freezing their eggs, starting a business, or becoming deeply committed to pickleball for reasons nobody fully understands yet. Meanwhile, half the population is just trying to remember to drink water and answer all their emails.

On House Guest, Kenzie Elizabeth sits down with Stephanie Brink for the kind of older-sister wisdom every woman probably needs before 30. Whether you’re trying to survive dating, build a life that still feels like your own, or simply avoid becoming emotionally dependent on DoorDash and burnout, there’s a lot here worth stealing.

Life Advice for Women Before Turning 30

Don’t rush to marry the version of you that exists at 23

Brink married her college boyfriend at 22, and it worked out, but she’s the first to admit that wasn’t the universal blueprint. “Now that I have a 25-year-old, a 23-year-old, a 21-year-old, an 18-year-old, I would advise them to take their time,” she says about her four daughters.

Kenzie immediately relates. “If I would have married who I was with at that age, I would be so miserable…it would have been the worst life ever because I wouldn’t have been able to make the right choice for myself at that time.”

You don’t owe anyone a lifelong commitment while you’re still eating Trader Joe’s freezer meals on a folding chair trying to figure out who you are, what you want, and whether your frontal lobe has fully clocked in yet. 

Build hobbies now so you still have a personality at 40

“If I gave everything and all of my energy into those kids and then they’re gone, who am I?” Brink says.

The point isn’t to suddenly become the kind of person with a dedicated craft closet and a signature soup recipe overnight. It’s having something in your life that belongs to you outside work, relationships, kids, or whatever chaos is currently eating your calendar alive. 

Vent to your girlfriends, not your parents

“Take it to a girlfriend. That’s a vault,” Brink says. “Don’t take it to your parents because if you go too much to your parents, they’re on your side. You don’t want your parents to have a negative attitude toward your spouse.”

Basically, it doesn’t matter if your boyfriend is objectively a great guy 99.9 percent of the time. The second your mom hears he made you cry in a Target parking lot three years ago, she’s never fully letting that go. A girlfriend will let you vent, validate you, and move on by Sunday brunch. Parents keep emotional receipts forever.

Keep something for yourself, even if it’s a side hustle

“I think even if you don’t have to work for financial reasons, it’s okay for your kids and especially daughters to see me putting in a huge effort for our family,” Brink says.

It doesn’t have to be some massive girlboss empire with a branded podcast studio and a matcha sponsorship. A side hustle, creative project, freelance gig, Saturday shift, whatever. There’s something really grounding about having a small part of your week where people know you as you and not just somebody’s emergency contact. Plus, adult conversations that have absolutely nothing to do with school pickup or soccer snacks are healthy for the soul.

Set the bar low early, ride the wave forever

“I like setting the bar low,” Kenzie says. “Really low, like as low as possible.”

Her logic is simple: if a household task genuinely isn’t your thing, maybe don’t come out of the gate performing at an expert level. Suddenly, the dishwasher’s loaded “wrong,” the towels are folded with alarming creativity, and the rice develops a suspiciously inconsistent success rate. Before long, your partner quietly takes over that category forever because “it’s just easier this way.”

Weaponized incompetence? Maybe. Marriage strategy? Also maybe.

Listen to the full episode on House Guest with Kenzie Elizabeth, available wherever you listen to podcasts.

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