Sleeve lengths that always ended mid-forearm and jeans that looked like capris.

But what happens when the little sister keeps growing? And growing. And then, one day, she doesn’t just look you in the eye—she looks down.

Here is the reality of life when your "little" sister officially becomes the tall one. 1. The "Wait, Did You Just Grow?" Phase

: The younger sister requires brand-new clothes tailored to her longer frame, bypassing the traditional sibling wardrobe pipeline.