Jack has vast stores of vital energy which endow him with considerable physical endurance and initiative. However, the greater his energy resources, the less he might be able to control the flow.

Jack Avery has a great deal of sang-froid. His inner calm and stolidity predispose him to tasks which require self-control and perseverance. He does not readily display his emotions, even in the most hair-raising situations.

There is a good balance between Jack’s need to be receptive to the other world, and his tendency to enjoy solitude and introspection. Jack is able to express his feelings and moods without being overwhelmed by them to the point of mistaking them for outer reality.

Jack’s reactions to various stimuli are neither too phlegmatic nor too reactive. He has an inner balance which enables him to take time to reflect when necessary, but he can also react promptly when circumstances require it.

It is sometimes difficult for Jack to focus his concentration on a single subject; however, he is extremely open and always tries to learn and integrate new information and ideas. He is more cross-disciplinary than specialist, and his centers of interest are fairly widespread and varied.

Jack’s objectivity in perception and behavior could, in the best of cases, lead to generosity and altruism.

Jack Avery’s fierce individualism will promote independent and original behavior. Jack tends to lack team spirit. On the contrary, Jack needs to feel free and untrammeled by others to be really effective.

Jack Avery is motivated by a thirst for power which gives him a certain authority. He has a feeling he is leadership material. However, he might be tempted to infringe on other people’s freedom and get involved in troublesome power struggles.

Because Jack trusts in himself and his convictions, he has personality and presence. He is quite sure of himself and may tend to be rather self-satisfied, although this does not eliminate his need for other people’s approval and recognition.

Because Jack is often in a positive frame of mind, he finds it easy to make decisions and is only rarely hindered by negative feelings or anxiety. However, Jack’s optimism may lead him to overestimate his own potential and make him liable to misjudgment.

Jack is chiefly interested in tangible facts and realistic details. A pragmatic personality, Jack never loses sight of the utilitarian or practical aspects of things.

Jack’s approach to life rarely obeys a predetermined plan; instead, he usually trusts in his ability to improvise or intuit, or his reflexes and innate good timing.

Jack’s thought processes rarely follow the laws of logical reasoning or linear thought; instead, they proceed from an overall vision, which is pieced together from more or less obscure and subconscious clues.

Jack’s mind is especially perceptive of details. To arrive at a global perception, a vision of the whole, Jack proceeds gradually, piece by piece, aspect after aspect, in a fairly linear fashion.

Jack is inclined to arrange, classify, sort, catalogue, and compartmentalize, in all his life activities as well as his work.

Jack’s behavior usually obeys his momentary whims, and he allows himself to be inspired by his imaginations. His openness and spontaneity give him the scope to be skillful, ingenious, or shrewd, rising to whatever the immediate circumstances require.