Peter mashed his lips together and gave the guy an offhanded wave of his hand. "What do you know about it?"
He was aware of the damage he'd caused. Thanos was nearly defeated, but his anger and frustration got the best of him. But of course it did! The bastard had killed Gamora!
Peter wished he hadn't done what he did, but it was done, and he couldn't take it back. And he knew given the same situation all over again, he'd do the same thing. Because Gamora was what mattered to him.