I can't comment on fat vs skinny but I am 5'8 and thin and I get cougars giving me the eye all day long. Just joined a gym so that might fix it, though I'll never be tall so that sucks. Want to attract some chicks my age rather than MILFs.
Forget the cash, the cars, and the chiseled jawlines. Female desire operates on a completely different frequency. Primal. Subconscious. Triggers that bypass her logic and hit her on a gut level. Most guys are totally blind to them.
I know because I was one of them. The overthinking. The paralysis. The silent drive home kicking yourself for freezing up. Watching average guys walk away with the girl while you stood there stuck in your own head.
Then I decoded the psychology behind what actually makes women tick. 22 hard rules. Subtle behavioral shifts that rewired my entire reality. The anxiety evaporated. Women started leaning in. Investing. Chasing.