Upper panel shows the time course of mean (±SEM) ratings for “any drug effect as the result of the pill” on a scale ranging from 0–4 (0 = Not At All, 1=Possibly mild, but not sure, 2=Definitely mild, 3=Moderately, 4=Strongly). Lower panel shows the time course of mean (±SEM) ratings of sexual desire on a visual analog scale ranging from 0 to 100 (“None” and “Intense,” respectively). See Table 1 for the timing of behavioral measures.