1. He is interested in your body and health: He may think that yoga is a beneficial exercise, and he hopes that you can improve your physical and mental health by practicing yoga.
2. He wants to know about your life: He may be full of curiosity about you, hoping to understand your hobbies and habits by observing your daily life.
He wants to help you improve your yoga skills: he may be a yoga enthusiast, and I hope you can improve your yoga skills through his guidance and advice.
He wants to take this opportunity to meet more people: he may want to meet more people and expand his social circle by sharing your videos.
The most important thing is to find out the real intention of this boy to let you practice yoga and make a video for him. You can communicate with him directly and ask his thoughts and intentions. Only through communication can we better understand each other's thoughts and intentions and avoid misunderstandings and unnecessary troubles.