The Scene. You open the app to check one small thing, and there it is: the engagement ring, the sonogram, the new title, the house with the yellow door. Everyone your age, it seems, has crossed a finish line you can't even see from where you're standing. You're not unhappy, exactly. You just feel like a runner who glanced sideways and lost the rhythm of your own stride.

The Voice. Henry David Thoreau knew that sideways glance, and he distrusted it. From his cabin at Walden Pond he offered a line worth taping to your mirror: "If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away." The point is not that you're behind. It's that "behind" assumes everyone is walking to the same beat toward the same destination. They aren't. A feed is a parade of other people's drums.

But there's a second worry underneath the first — that time itself is slipping, that the milestones are markers of a race you're losing. For that, hear Seneca, writing two thousand years ago in On the Shortness of Life. He observed — I'll paraphrase his argument rather than pin an exact translation to it — that our lives are not truly short; we simply squander great stretches of them, chasing what others prize and looking everywhere except at the days in front of us. His famous charge still lands: "It is not that we have a short time to live, but that we waste much of it." Notice what wastes it. Not the absence of a ring or a title. Rather, the hours spent auditing your life against someone else's highlight reel.

The Landing. So, three practical things. First, curate your inputs: mute, unfollow, or set a timer. You would not invite a stranger over daily to recite their accomplishments at you; don't let a screen do it. Second, name your own drum. Write down two or three things that are genuinely yours to build this year — not milestones borrowed from the parade. Third, when envy flares, let it inform rather than indict; it often points at a real desire you can actually pursue, quietly, on your own timeline.

The milestones will come, or better ones will. Meanwhile, the life happening while you scroll is the only one on offer.

Step to the music you hear — the parade was never the point.