Each person designs his own life, freedom gives him the power to carry out his own designs, and power gives the freedom to interfere with the designs… - Eric Berne

The eternal problem of the human being is how to structure his waking hours. In this existential sense, the function of all social living is to lend mutual assistance for this project.
The operational aspect of time-structuring may be called programing. It has three aspects: material, social and individual. The most common, convenient, comfortable, and utilitarian method of structuring time is by a project designed to deal with the material of external reality: what is commonly known as work. Such a project is technically called an activity; the term “work” is unsuitable because a general theory of social psychiatry must recognize that social intercourse is also a form of work.

Freud’s discussions of “psychic energy” and “cathexis” (Besetzungsenergie) are among his most obscure. Some of the difficulties may reside with his translators.{18} Colby{19} has attempted to resolve some of these problems. The simplest course is to accept gratefully the concept of cathexis and attempt to correlate it with one’s own observations.

Wasteful moves are eliminated, and more and more purpose is condensed into each move. “Beautiful friendships” are often based on the fact that the players complement each other with great economy and satisfaction, so that there is a maximum yield with a minimum effort from the games they play with each other.