Megan is 35 years old, a lawyer, happily married — and suddenly not sure if she wants to be a mom. She always figured one day the maternal urge would kick in, but so far she's only felt ambivalence. Does that mean that she shouldn't have a baby? We asked Cheryl Strayed, author of Wild, how she juggled this question. She tells us the secret to approaching situations where there is no going back, and how regret — regardless of what we choose — is always part of the equation.