The Face first grows lank and wrinkled; then the Neck; then the Breast and Arms; the lower Parts continuing to the last as plump as ever: So that covering all above with a Basket, and regarding only what is below the Girdle, it is impossible of two Women to know an old from a young one. And as in the dark all Cats are grey, the Pleasure of corporal Enjoyment with an old Woman is at least equal, and frequently superior, every Knack being by Practice capable of Improvement.    

This is good advice though. Feminist ally Ben Franklin. The other part about older women being less likely to get pregnant is true and I assume they are more discreet as well, which he also notes. Ben Franklin agrees that having sex with 20 yr olds is better left to the men of their cohort.

Franklin was cougar-hungry, apparently

Now that I’m middle-aged, and dated hot and heavy at 50, it’s all true.