"She talks about not knowing who she is anymore because she’s just Mom . . . and then she goes and buys a 12-passenger van so she can do more carpooling for her kids’ activities."

"It’s kinda heartbreaking. Her complaints aren’t incessant, but when they do happen, it’s very clear that I’m watching stuffed-away feelings leak out — like she just can’t keep up appearances anymore."

From a question for the WaPo advice columnist Carolyn Hax, who gives what I think is an excellent answer (which includes something close to that rule of thumb of mine: the best test of what people really want to do is what they are actually doing).