Eli Lilly's retatrutide should accelerate adoption because it raises calorie burn rather than merely suppressing appetite, a bigger leap than the previous generational change. Visible results could turn users into walking advertisements and create peer pressure. Lilly will probably become at least a $5 trillion company in the coming years, roughly 5x with a near-straight-line climb, on a projection of as many as a billion users. x.comÂ