Although it is said that absence makes the heart grow fonder, an absence too early will prove deadly to the crystallization process. (…), you must surround your targets with focused attention, so that in those critical moments when they are alone, their mind is spinning with a kind of afterglow. Do everything you can to keep the target thinking about you. Letters, mementos, gifts, unexpected meetings—all these give you an omnipresence. Everything must remind them of you.