Conducting on-line personal lifestyle performance assessments based on principles of emotional happiness by means of the users' inputted preferences and social network; Internet based social networking, introduction, and dating services; Internet-based social networking services; Internet-based dating, social introduction and social networking services; On-line social networking services; Online social networking services; Online social networking services accessible by means of downloadable mobile applications; Online social networking services in the field of an application for like minded people to meet; Providing a social networking website for entertainment purposes; Providing on-line computer databases and on-line searchable databases in the field of social networking