Mom shares the unconventional life hack of having her first daughter young specifically so that by the time she is older she will already have grown built in best friends in her own three daughters

Creator @carriezim shared a montage of her three daughters at different ages, from toddlers to grown young women, built around a funny but genuinely sweet framing device: that having her first girl relatively young was the unconventional “life hack” that guaranteed her a set of built-in best friends by the time she reached midlife. Her caption kept it simple and heartfelt, saying that having children at any age is a gift, but the real story is in the footage itself, watching the same three girls grow up together across years of clips.

The video works because it takes a joke format, the “life hack” framing usually reserved for cleaning tricks or budget tips, and applies it to something much bigger: the long view of parenthood, and the idea that the relationships you raise are also relationships you eventually get to simply enjoy.

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There is real research that backs up the sentiment behind the joke. Studies on adult sibling relationships consistently find that sibling bonds, once children reach adulthood, tend to shift away from the rivalry and conflict common in childhood and toward one of the most emotionally supportive and long-lasting relationships a person has, often outlasting friendships, and in many cases even marriages, simply because they span an entire lifetime.

Family researchers who study parent-child relationships over the full lifespan also describe a similar arc in the parent-child bond itself. As children move into adulthood, the relationship gradually rebalances from one centered on dependence and caregiving into something closer to a genuine friendship, built on shared history, mutual respect, and often a growing enjoyment of each other’s company as equals rather than as caregiver and dependent.

None of that erases how demanding the early years actually are, and the montage does not pretend otherwise, cutting from toddler chaos to older kid independence to grown daughters who clearly still choose to spend time together. That contrast is exactly the point: the hardest years are also the ones laying the groundwork for the adult relationships many parents say they treasure most once the intensity of early childhood has passed.

It is also worth noting that the strength of those adult sibling bonds is not guaranteed by age or birth order alone. Researchers who study long-term sibling closeness point to shared positive experiences and ongoing contact across the years, not just growing up in the same house, as the strongest predictors of how close siblings remain once they are grown and scattered across their own separate lives.

Whatever specific ages and life stages prompted the original joke, the video’s real appeal is the reminder it offers: parenting that feels overwhelming in the moment is also quietly building the adult relationships, both between parent and child and between the kids themselves, that many families end up treasuring most once the sleepless years are behind them.