That is what we're here for. [He made an offer to help and he didn't lay any specific conditions. It certainly doesn't trouble him to add something different into the mix.]

I want you to strike at this punching bag until your arms can no longer stand it. [He leans down to level his face next to the bag, grimacing menacingly when he does.]

Pretend as if it is your mortal enemy. [He then pulls back and stands up straight.]

On Asgard, of course.