If seeing marriage as the perfect answer to all our hopes for love, sex, and family is naive and misguided, so too is believing that adultery can be an effective antidote to the disappointments of marriage. It is impossible to sleep with someone outside of marriage and not spoil the things we care about inside it. There is no answer to the tensions of marriage.

Alain de Botton
From 12 Rude Revelations About Sex

I’m reminded of proverb, “Those who think it’s impossible shouldn’t interrupt those who are doing it.”