"Mistresses are like books; if you pore upon them too much, they doze you and make you unfit for company; but if used discreetly, you are the fitter for conversation by em"

In this quote, William Wycherley compares girlfriends to books, suggesting that both can be satisfying however also have the possible to end up being overwhelming. He cautions against becoming too consumed with either, as it can lead to an absence of social skills and make one unsuited for company. Nevertheless, if one is able to use them in moderation and with discretion, they can enhance one's conversational capabilities. This might be interpreted as a caution versus becoming too consumed by any one thing, as it can have negative consequences on one's social life. It likewise highlights the value of balance and small amounts in all aspects of life.