1. He may want to get close to you, see your face better, or hear what you are saying better. If he likes you or is interested in you, he may try to get close to you to enhance their feelings.
He may want to express his interest or feelings for you, or he may be considering whether to confess to you. In this case, he may stare at you and try to get closer to you in distance and emotion.
He may want to confirm something, such as whether he knows you or what you are doing. In this case, he may stare at you and try to get more information.
In either case, if you feel uncomfortable or confused about the boy's behavior, you can communicate with him directly, ask his intentions or express your feelings. This will help you better understand each other's feelings and avoid misunderstanding and unnecessary confusion.