Thân thiện. Tìm điểm chung. Tìm hiểu thêm về anh ấy. Vui vẻ.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
If your crush has no idea you exist, it's going to be difficult to attract him. You need to find ways to attract him even before you start talking directly to him. Try to get to know each other by becoming acquainted with his friends, joining a club he's in, or asking someone who knows him to introduce you. Be careful because if you don't want him to know you like him, they might say something which could ruin your chances and make things uncomfortable.  If your crush is in your class, talk to h