First kiss does the trick. The propitious moment. Something inside them goes pop. Ulysses

The holy passion of friendship is so sweet and steady and loyal and enduring in nature that it will last through a whole lifetime, if not asked to lend money. The Tragedy of Pudd'nhead Wilson

I was not in full control of myself, and it seemed that I knew her name from before. The evil in her eyes, her color, her scent and her movements were all familiar to me. It was as though my souls, in the life before this, in the world of imagination, had bordered on her soul and that both souls, of the same essence and substance, were destined for union. I must have lived this life very close to her. I had no desire to touch her; the invisible beams that emanated from our bodies and mingled were sufficient for me. Isn't this terrifying experience which seemed so familiar to met quite the same as the feelings of two lovers who feel that they have known each other before and that a mysterious relationship has previously existed between them? Was it possible that someone else could affect me? The dry, repulsive and ominous laughter of the old man, however, tore our bonds asunder. The Blind Owl

“Albert Einstein observed, “The significant problems we face cannot be solved at the same level of thinking we were at when we created them.” The 7 Habits Of Highly Effective People