How should a woman act? It’s a question that’s been asked of, and because of, P!nk for as long as she can remember. Should she be frothy and flirty, like her pop-star peers of the early aughts? Strong, like the Williams sisters who inspire her? Irreverent, like Billie Eilish, who inspires her 11-year-old daughter? Should she make her own wine? Do 75 pushups in one take? Fling herself in a harness over a stadium of 70,000 people? The answer, I don’t need to tell you, is that she should be however she wants to be, and that was P!nk’s response long before it was cool. Twenty-three years into a career…