[No, he won't explain, because he's not going to kill the joy in that young voice. This kid's clearly some sort of soldier, but he isn't sounding young enough to ping his what the fuck sensor. After all, eighteen is the age to sign up for the US army, and it's when Clint began his own training. But he's still young, and there's no reason to tell him they were flying war barges full of alien soldiers determined to destroy a city of millions of people. Instead, he'll focus on the second bit.]

D'you wanna try again? I've taught people before, if there's a place to shoot I wouldn't mind giving a lesson or two. A heavy stick can be damn useful, but having some distance is good.