"Estranged but he sounded pretty beat up- I think..." He closes his eyes to go back over the fight, that moment when they were so close to success. "He said 'I had to'. I'm assuming the cost for the soul stone was her life. Which- more or less cements the fact that he was a zealot. I hate dealing with zealots."

Bone deep conviction in what you're doing? Makes for powerful delusion. Makes for something you can't rationalize with or fight back.

"The time stone's in play. Time travel has to be the answer, Strange told me we were in the endgame right after he ponied up the space stone. And right after everyone began crumbling to dust he said it was the only way." And then he too crumbled into dust.