Yes. You are missing something. But at the same time, you already have everything those enviable women have. However it may seem, they didn't receive an engraved invitation to a secret club. They don't have a special recipe. There is no special tool, specific process or computer program that has vaulted them to the next level. No, in fact, it's nothing external that's promoting their happiness at all. It's their trust in themselves.
Women who are making it work are ascribing their success to intrinsic causes rather than extrinsic. They've discovered their strengths, they seek their strong moments, and they apply them with courage and diligence. They trust themselves beyond anyone else and they take themselves very seriously. They take a stand for their strengths.
A note of caution: We can never achieve goals that envy sets for us. Looking at your friends and wishing you had what they had is a waste of precious energy. Because we are all unique, what makes another happy may do the opposite for you. That's why advice is nice but often disappointing when heeded. What works for your friend may not work for you. Focus on yourself and the small wins that you're achieving daily. Pay attention to your feelings and hunt for moments that engage you. Hang on to them and know that they will start to build on each other, that momentum will kick in and before you know it you'll be building your best life. Believe it.