Love calculators are used when we want to test for love compatibility. Knowing if we are compatible with our love interest is important as it determines if the dating relationship will stand the test of time. Too often feeling strongly about a person doesn't mean they are our perfect match. Many people have at one point been convinced by their feelings that they have met their perfect match, but ultimately discover that they aren’t compatible with them. Consider, at the very least, modern divorce rates. Hence, we have to test for love compatibility. In this episode, Toru gives a better working formula to test for love compatibility. He calls it the five (5) observation matrix formula.