Codka la wadaago

Am i the A Hole for putting my mom on the spot in front of family and friends and making her reject me in front of them? My mom doesn't like me, maybe doesn't even love me, and prefers my sister to me every single second of every single minute of every single hour of every single day. That has always been so obvious to me, to my sister and to mine and my sister's friends. My mom ignores it and refuses to talk about it. I have tried to tell her how it makes me feel but she refuses to talk about