Cerulean eyes, eyes that have the sweetness of a sigh, the sublime voice of the sun, powerful and soft at the same time, shaped jaw, pointed nose... lips drawn in a confused frown - Wait, what? Keith blinked repeatedly, thus returning to reality, to realize that the mysterious boy he had apparently been staring at for who knows how long had been talking to him.
"Dude, are you okay? You completely spaced out“ and his voice... - He should not concentrate on his voice, what he should concentrate on were the words that that voice produced.
"Wh-what?" eloquent, he was doing a great job at not looking like an idiot who stares at people he doesn't know on buses for a long, embarrassing amount of time. "Sorry, I-I was distracted" and he wasn't lying, he had been distracted, even when he didn't want to admit the reason for his inattention.
//alternatively, these two dorks meeting at some busy bus!