It makes for practice and readjustment with an audience who probably isn't going to laugh too much at him for messing anything up (namely: Sans, among others). Isolation makes one's communication skills rusty, it turns out, but he can't expect everyone to understand signing, so he'll make the effort now when it isn't so critical.

"We do have an agenda, do we not? But of course this place would be that way. I suppose there's nothing to do for it." He sighs a little, wispy and stuttering, but it's half hearted. "The scenic route it is, then. I take it you like this area?"