What does Still bent out of shape over what you lost mean?

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Since 3:35 in this video, the big gray robot named "Scavenger" said to the yellow robot who's been chasing the purple enemy above "Only you would be so reckless in this kind of weather. What’s wrong, still bent out of shape over the Star Saber?"

https://www.youtube.com/watch?v=GuB7sTU4Fyc

He mean "You're the only one who's careless / reckless in this such weather (since this place is surrounded by fog for whole year)"?

And what does he mean by "Still bent out of shape over the Star Saber"? In previous episodes, the yellow robot held onto a powerful sword named "Star Saber" but he got tricked by the enemy so he lost the sword. And this big gray robot asked him this question.

@FushigiNashi So he mean "You're the only one who's careless in this such bad weather. Are you are still obssed with losing your sword"?

@FushigiNashi This is my last question. This is what they said since 3:52 to 4:35 in this video:

https://www.youtube.com/watch?v=GuB7sTU4Fyc

Hot Shot: Give me a break. I can handle myself just fine in combat. (How do i understand "Give me a break" in this case?)

Scavenger: How you made it this far, I’ll never know. (What does he mean?)

Scavenger: Scavenger: Let me know when you’re finished. You still have a lot to learn. (Can i understand it as "Can you stop mindless attack on me? Because you still have a lot to learn."?)

@FushigiNashi Thank you very much, i got it now!

@FushigiNashi Hotshot the yellow robot almost died in previous battle due to his lacking of skills so i think Scavenger said "How you made it this far, I’ll never know" mean he doesn't know why he's still survive until now.

@FushigiNashi Thank you very much once again