None of them mean it. Longevity is a number measured on a strip of paper, not on you — skin type, body heat and how fast you burn through a scent can move it by half. Answer four questions and every product page on this site rewrites its numbers for your skin.
No bottles on the shelf yet. Add one you already own and this page will start predicting when you run out.
Your skin, not average skin. Set a skin profile and every product page rewrites its numbers for you.