[The fact that she catches him catching her catching him looking in her direction is all he needs to make up his mind. He had already made the decision to talk to her, this just sped things up a bit and he couldn't really let this opportunity slip away for no good reason. So what if he still didn't know what to say? He'd think of something once he got started, right?
Right.
So with that decided, he makes his way towards her, steps rushed out of pure fear that she'll leave before he gets there.]