“…These are the quinque lineae amoris-the five lines of loveLook, Talk, Touch, Kiss, and Coitus (from Ovid's Metamorphoses, Book X, lines 341-344; Ovid 1955Ovid , 1984, and the later Roman poet Terence; Adams 1982, p. 185). The five lines can be expanded by modern ethological methods into look, approach, talk, turn, touch, synchronize, caress, kiss, and sexual intercourse (Perper 1985;Perper and Weis 1987), meaning that the same pattern exists today as two millennia ago. The same sequence also exists in modern Japan (Perper 2005).…”