It's com-- You're not going to accept "it's complicated," are you.

To wake the Warrior - the giant monster I talked about - Jack needed a siren to charge up an ancient artifact. Which was achieved by pumping me full of pretty much all the eridium he managed to dig up. Plus he said that all his plans and ambitions were just to protect me anyway, but I'm not too far gone to realise that his motivations got really freaking warped over time.