[And he's as old as one, too. Not to mention how amused he is at Luke's reaction.]

After all this time, you should have little reason to doubt my memory. [He adjusts his glasses.]

I can't quite confirm whether or not the Malnosso are truly happy, but the number of free items seems to be linked to the vast resources at their disposal. For them, providing us with these things may just be a trivial accomplishment. Of course, they also likely prefer to keep us satiated to an extent considering the roles that they have us perform.