There's a term called "homogeneous" which basically means "of similar kind or nature". I am pretty sure when he mentioned homophobia, what he really meant was his aversion towards her because they are so alike because for their feelings for their Ex's.
Tay dad couldn't become father , so his uncle biological brother of his raising dad gave his sperm before leaving for studies he probably gave his sperm when he was barely 17 , so that's how he become biological father of tay and his twin bro.
whats with all the insane blondes in his life