[Mettaton can definitely tell that Asriel's tired.

Well...that's why he'd decided to show up like this. As a distraction, perhaps. He can only hope it will go well, even though he knows all of his hopes will eventually end up shattered.]

Of course, why would I visit if I didn't, silly?

[Still smiling awkwardly, he holds up the small box, so Asriel can see it better.]

Have you ever had a chance to play any card games? Because I just happened to find a deck! Want to play with me?