« In the complicated process of forming a friendship or romantic relationship, many factors play a role alongside the raw influences. Normal adult relationships always contain new elements that derive from the new situation, that is, the circumstances and personality of the people with whom we come into contact, as well as their response to our emotional needs and our practical interests of great people. »

« The different forms and manifestations of infidelity (which results from the most diverse paths of development and which, in some, expresses love, in others, hatred, all intermediate degrees being possible) all have a common factor: the fact of turning away repeatedly from a person (loved), caused in part by the fear of dependence. I found that the typical Don Juan is, in the depths of his mind, haunted by the fear of seeing loved ones die and that this fear would pierce and express itself in depressive feelings and great mental suffering if Don Juan had not just formed a special defense against these feelings and sufferings: his infidelity. »

« The unconscious of children very often corresponds to the mother's unconscious; whether or not they use this provision of love for them, they often withdraw, from knowing that this love exists, greater security and comfort. »