:: COMPARE ::
The short answer
A red flag is evidence — a behaviour that genuinely predicts trouble. The ick is a reaction, and usually has no evidence behind it at all: the trigger is trivial and the feeling arrives anyway. Confusing the two makes you leave good people and stay with bad ones.
Side by side
| Aspect | The ick | A red flag |
|---|---|---|
| Based on | A trivial detail | Real behaviour |
| Predicts harm? | No | Often |
| Arrives | Suddenly | On evidence |
| Should you trust it? | Examine it | Take it seriously |
What each one means
The ick is a sudden, often irreversible collapse of attraction to someone, set off by a small and frequently trivial detail — the way they jog for a bus, or say a particular word — that you can't stop noticing afterwards.
Full definition of The Ick →The contrast above sets out how A red flag differs from The Ick on the points that actually matter.