[Assuaged for the moment, Mettaton grins more brightly. Sure, he's internalizing his own negative emotions, but if there's something he's good at nearly all the time, it's conveying optimism! So he pushes onward with his facade. Besides, he wanted to help new arrivals, it was the right thing to do!]

I am! Four months will do that to someone! Maybe I can help you find your way then, since being lost is not a fun time!! Where are you trying to get to?