1. A method for selecting matches in a social dating system, the method comprising: receiving a request from a user device associated with a viewing user to view matching users; identifying at least one preliminary matching user connected to the viewing user via at least one connecting user in a social networking system; determining a common interest representing a general interest in common between the viewing user and each of the preliminary matching users based on interactions of the viewing user with a first social networking object for a first specific interest and interactions by the preliminary matching users with a second social networking object for a second specific interest, where the first and second social networking objects are different; selecting matching users based on the Get of common interest associated with the preliminary matching users; and providing the matching users for display to the viewing user.