"But even for women who realize they still have a lot of things to figure out, around age 30 a sense of acceptance begins to settle in. It’s when many of us experience our first big career payoffs, and allow ourselves to exhale a little because for once it doesn’t feel like we’re building our lives from scratch. On the cusp of 30 — in stark contrast with prior milestones like college graduation — you’re set up to finally start living your best life, or at least a realistic approximation of it. You realize you’ll never be a wunderkind, and you’re okay with that. In general, you give way fewer fucks."