Share 'How does a writer master SHOW and not tell?'

I am still struggling to show instead of tell, so anyone and everyone out there -- I am quickly going bald ripping out my hair over "SHOW instead TELL!!!!!!" I know what it means intellectually but am REALLY stuggling to do it literally. Can anyone give me some CONCRETE examples of, or specific feedback of showing and not telling? Where and how do I learn and master "show not tell?" This is cur...