I think Sir Arthur and Yumeko would get along famously.
I like jellyfish, but crabs are gross! With this marvellous blade, I will cut you up into pieces!I haven't heard of dissected crab.Come on, Alice!Focus Blade!Is this why you made me wear the heavy equipment?Isn't that how you use swords normally?Crab stewIt's not a throwing knife, you know?A sword is something you throw away!
A variation of ”Your life is something you throw away!” (命は投げ捨てるもの), a meme originated from Toki's line in "Hokuto no Ken: Shinpan no Sousousei Kengo Retsuden”.
His original quote in ”Hokuto no Ken” is: ”Your life is NOT something you throw away!”
See also its Nicopedia.