He betrayed me.
He betrayed me because of his negligence.
He betrayed me because of his negligence, which is a result of his character.
He betrayed me because of his character.
He betrayed me because of his character, which is a result of the sum total of his past experiences.
He betrayed me because of the sum total of his past experiences.
He betrayed me because of the sum total of his past experiences, which is a result of his genetic predispositions and the conditions he was born into.
He betrayed me because of his genetic predispositions and the conditions he was born into.
He betrayed me because he had no other choice.
…
Society wronged me because…
c’est la vie