What does it mean if a boy sends a message to cheer you up on the eve of your exam?

I like you, but you can't think too much. You should be calm. If he really likes you, he will definitely do something, so don't be too skeptical. Friendship is not ruled out at work. If he is someone you are familiar with, you should be particularly calm. If you are not familiar with it, then 80% is what you think. It is important that you keep a steady mind and get good grades in the exam. This is the most important thing. Others, what should happen will happen naturally.