I would often weigh the costs against each other and then, without fail, opt out: Is it really worth spending $15 an hour on a babysitter to get a $12 manicure? I wish I'd told myself what a great deal that really was — a worthwhile fee so that I could recharge my batteries and feel like a human. Do my husband and I really need to fork over cash and cab fare for a babysitter so we can go to dinner in a restaurant, instead of eating for free in our own kitchen? Turns out, we did really need to. (And here's why . . .)