Drax : How did you get to this weird dumb planet?
Mantis : Ego found me in my larva state. Orphaned on my home world. He raised me by hand, and kept me as his own.
Drax : So you're a pet.
Mantis : I suppose.
Drax : People usually want cute pets. Why would Ego want such a hideous one?
Mantis : I am hideous?
Drax : You are horrifying to look at. Yes. Bu-But that's a good thing.
Mantis : Oh?
Drax : When you're ugly, and someone loves you, you know they love you for who you are... Beautiful people never know who to trust.
Mantis : Well, then I'm certainly grateful to be ugly.
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From: Guardians of the Galaxy