From our article “What Is September Theory? The Dating Trend, Explained”: September Theory says whoever's left in your texts after Labor Day is who you'll spend the holidays with. A smarter plan than waiting on it.
Not how it felt. What the thread looks like if you scroll up.
A cancelled trip, a bailed weekend, a night that quietly never got rescheduled.
First answer, not the considered one.
September Theory is really a question about defaults — and about who says the sentence first.