Mutuality quadrant
An honest map of the relationship on two axes: "it is good for me" and "it is good for my partner". Answer about your current relationship — or a past one, recalling its final year: the test shows which quadrant you were in and what it meant. As a couple: each takes it separately, then compare codes on /pair.
How to take it as a couple. Each partner takes the test separately, on their own phone, answering for themselves — honestly, without peeking. At the end press “Compare with partner”: a short code is copied (answers only, no names). Paste both codes on the comparison page to see where your perceptions diverge.
The most valuable part: your “good for partner” axis is a guess, while your partner answers about themselves directly. The gap between “I think they are fine” and their “I am not” is the blind spot. Signing in with Yandex is optional — it only saves your results to your profile.