Yep - same here. i was the black sheep.
the youngest of the 4 of us - my 2nd half-brother - was the golden boy to mom. still very obvious.
she would even forget my birthday. and last time i tried to talk to her seriously she had forgotten major events that showed her and the step-dad in a bad light. now, ironically she has dementia - and has forgotten nearly everything. and to think that i used to try to protect her from being hurt by trying to hide my abuse.
and the step-dad treated his own sons like royalty - while my full brother and me were like servants. and if there was ever a choice to be made by mom between him and me - i did not even exist.
there was lots for me to forgive.
"That you are here - that life exists, and identity; that the powerful play goes on and you may contribute a verse. . . What will your verse be?" Robin Williams as John Keating in "Dead Poets Society"