you're tired from carrying those...bendy swordy things around. ^^

Pizza sounds good. :33

you're tried from carrying around that huge and heavy scythe around :)

You're tired of the heat. o:

You're tired from spying on people all night, trying not to get caught. X33

You're tired because you kept getting calls in the dead of the night to escort a few new citizens to the afterlife...

you're tired from fixing up that blimp of yours all night