Complex sentence: Even though Arjun hates women because his mother left him and his father when he was a child, he can't help but fall in love with Arohi, as she proves herself to be opposite to everything he thought women represented.
Split into simpler sentences: Even though Arjun hates women because his mother left his father and him when he was a child, he can't help falling in love with Arohi. She proves to be opposite to everything he thought women represented.