1. A people matching method, comprising: altering a computer-implemented directionally distinct relationship between a first person who is a first user of a computer-implemented system and a second person who is a second user of the computer-implemented system, wherein the altering of the directionally distinct relationship is explicitly performed by the first person; receiving a match of a first person with a third person, wherein the match is generated by a processor-based device and is based, at least in part, on an inference from a plurality of usage behaviors, wherein one of the plurality of usage behaviors is the altering of the directionally distinct relationship; and receiving a reason for the match, wherein the reason comprises one of the plurality of usage behaviors.
5. The method of claim 1 , further comprising: receiving the match of the first person with the third person, wherein the match is generated in accordance with the inference, wherein the inference is based on a level of mutual interest expressed between the first person and the third person.