This situation was more common because the boy said that he liked you out of impulse or impulsive thoughts and did not consider the actual situation. He might not know his true thoughts or how to express them. When he asks you again, he may feel embarrassed or embarrassed, so he won't admit or deny his true feelings. He might feel that he wasn't mature enough or brave enough, so he wasn't willing to take on this responsibility. It's also possible that this guy has some other thoughts or plans and doesn't want to establish a deeper relationship with you. He might feel that there's no real relationship between you and him, so he doesn't admit that he likes you. It required a specific analysis of the situation and could not be treated as a whole. If you are interested in this boy, you can try to establish a deeper relationship with him to understand his true thoughts and feelings.