[None of this particularly surprises Mettaton because he knows humans are tenacious. When you live among a race of creatures who could die from hitting them around a little, humans are a formidable, stubborn force to be reckoned with. He nods along, somewhat listening.

Assassins... Tortured since infancy... Wars... Yes. Sounds rough, his nod says. (Give him a moment.)]

I'm sure you'll both be all right in the end, darling. You humans can weather the storm, no matter what elements it surprises you with.

[He smiles warmly. He really does like humanity, and he smiles even wider for Gon's reassurance that he'll stand together.]

And with a cheerleader like you, how could he stay down for long?? But if there's anything I can do for you two, well. I'm bound to be back in action in no time!! Ohhh yes! As a robot.

[He smiles, and it's bright and easy.]