[In truth, Wally has checked up on him a few times before when Dick wasn't really conscious so seeing him awake is already a big relief to him.]

Really? That's-- great. [He returns the smile with a relieved one of his own before adding, halfheartedly,] Don't scare us like that.

[He moves to sit on the edge of the bed, more cheerful already.] Well then, it's a good thing Doctor West is here to cure you of this fatal disease called 'boredom'.