I dreamed of a boy I liked last night. In my dream, I confessed to him, but he turned me down severely. But in reality, he didn't give me any answers. this

In reality, I didn't answer you, which shows that you still have a glimmer of hope for him to accept you. I hope he can accept you.

In your dream, he rejected you, which shows that your subconscious mind, that is, your heart, is still afraid of his rejection. This fear is related to the actual performance of this matter, that is, you think he is more likely to refuse you.

The above is a simple explanation.