[ That makes more sense to him. He's still not sure why she's wanting to talk about Ruby so much when she usually doesn't bring it up, but as he recognizes the change in tense from present to past, he thinks he has an idea. He might be dense at detecting feelings, but he's a smart cookie when it comes to problem-solving. That's not nearly enough to go off of to really make a decent conclusion though. ]

If she does squats it'll be a healthier way to wake herself up. It's why it's recommend to only stretch before bed, not exercise. Stretching releases tension and makes it easier to sleep, exercising releases endorphins and increase blood flow, which in turn wakes you up. I've made Takao do them when he gets bored with studying or starts drifting off.