Dreadnought: "And that, little Battle Brother, is how I personally kicked that whole planet's ass. Now off to bed with you, the Chapter needs you rested so when battle comes you will be in peak fighting condition."

Space Marine: "May I grab a cookie from the mess hall on my way to the barracks, please?"

Dreadnought: "Alright, but just this once. And do not let the Chapter Master find out."