That was fast! The 'Oh!' doesn't startle him too much, even with how tense he is otherwise. He sends a quick glance back over his shoulder before returning is focus to their surroundings. "Good... that's good."

Maybe a little less good, when she mentions that he didn't give them that sort of important information, but that's not terrible, either. "Maybe he didn't want to spend too much time typing it out?" If he wants to get here fast, a short message is best! Don't text and drive, Kai!! "We'll just have to hold down here for as long as we can."

Easy, right? Just as long as no worms spot their poor, defenseless robot companions and decide to slither in for a snack.