1. A user-interactive behavioral modification system for modifying undesired behavioral patterns comprising: an input means for inputting a first set of personal data by a user into a base module; the base module further including at least one feedback interface means for providing a feedback input to the user in response to the first set of personal data; a main database component operative to maintain at least the first set of personal data entered into the base module; a main controller unit operatively coupled to at least the main database component for generating a main output signal for causing feedback to the user according to a predetermined set of behavioral pattern rules; the feedback interface means receives a feedback input signal; the feedback interface means further includes a display unit for displaying an appearance of a character having different appearances based on the first set of personal data and in response to the input signal; whereby the appearance of the character is controlled to encourage the user to perform desired behavioral responses according to the behavioral pattern rules.