***SPOILER ALERT***********
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Whats interesting is Thanos really loved ole girl. He believes he is doing good things in the universe and everything is for a reason. So, at the end.. as gamora(?) said,if he gets all the stones he can snap his fingers and half the universe will die. And that was his plan anyway.. to kill off a good number of people (kinda like noah in the bible) and hit reset. SO anyway, the people were turning to dust
Also, he see's or has a vision of gamora as a child again and she says... did you win. or something like that. And she says, at what cost?!
Once again you can see the emotional toll on him. SOme think he saw her because of the death stone (or whatever the name was) . it was deep