[...This time, Mettaton smiles, and it's very real. Seeing Asriel being so upfront about wanting to be carried (Mettaton would have done it even if he'd said no, because again, gross dead stuff), it's a refreshing moment of innocence.]

Come on then!

[His arms stretch out, his hands securely taking hold of the young boss monster and hoisting him up. He sets Asriel down on his shoulders, and if he minds that the kid's feet which had recently been in the ichor were now pressed to his chassis, then he absolutely doesn't show it as he starts walking.]

I shouldn't have ever set you down as it is, I'm fairly certain I metnioned carrying you everywhere from now on. If I didn't, then it was a good idea anyway.