Re: Splitting the sentence containing 'in which'
There are some relationships that have aggressive interactions that replace or validate the expression of love. She has modeled her ideals for all relationships based on those types of relationships.
She seems to have modeled her ideals for relationships on relationships with aggressive interactions that have replaced or validated...
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.