The exact juxtaposition of every group of curves of two persons reveals a relational agreement emotional person and intellectual of 100 %.

In every position of the curves of a person with regard to another person, joins a ladder of compatibility which will indicate the degrees of relational ease of both persons involved (their respective levels of reception emotional person, of sensitization, humor, availability, understanding, psychic plasticity...)

Glands broadcasting endocrines " Thyroïde, pituitary gland, suprarenal glands... " Secrete hormones commanded(ordered) by the brain either in reflexes cyclic or automatic or generated by certain requests, which forwarded by the circulatory system in all the body, act specifically on the other receiving organs and provoke physiological and psychological alterations. They influence more or less our state of mind, our humor, our dynamism, our reactions in stress, etc. , according to the capacities of our biologic phases.

So, between two persons of good agreement, as their cycles are at most or at least of their conditions, their relations will remain always good because their levels of understanding, humor, emotionalism, etc., will remain of the same value the one with regard to the other one.