A mutually adaptive system is disclosed. The mutually adaptive system enables a plurality of constituent systems to interact and mutually adapt to their interactions. Adaptive recommendations may be generated and delivered from a first constituent system to a second constituent system based, at least in part, on interactive behaviors between the two systems. Delivery of these adaptive recommendations may include modification of structural aspects of the recipient constituent system. One or more of the constituent systems may include a representation of one or more people, and a first constituent system may include a representation of a second constituent system.