Sans, you really are a completely different person.

The thought travels through his mind as Sans settles against the grass, and when Asriel stops giggling, it's replaced by a calm smile. While Asriel isn't fully aware of Sans and Toriel's feelings about each other, it isn't hard to pick up that they seem happier around each other.

"I'm... really glad she's here."

In so many ways he can't actually describe. He almost catches himself adding "but she really should living on the surface" before stopping himself.

"It feels like it's been so long since I saw her. When she first arrived, I mean."