Why did Troy hate Helen?

Why is it that Troy's animosity towards Helen runs so deep? What specific events or actions did Helen undertake that ignited Troy's disdain? Was it purely her beauty that stirred jealousy and conflict, or were there deeper, more complex motivations at play? Could it be said that Helen's very existence became a catalyst for the fateful events that unfolded in Troy, ultimately leading to its downfall? And what role, if any, did the gods play in fostering or exacerbating Troy's resentment towards Helen?