Don't be obsessed with pleasing someone, because the more you please someone, the more annoying he will be. Do you know? People are like that, when they meet someone who is always pleasing to them, they will feel very uncomfortable. Because you don't seem to be independent, why should you do that? You just have to live your life and treat him normally, so that's the best. Care when you should care, be happy when you should be happy, and enjoy your life together happily, which will make him love you more. So, don't be trying to please yourself, but live your life and treat others normally. Don't be afraid of losing him, because as long as you live your life, he will naturally be attracted back. Believe in yourself and believe in your worth so that you can really attract people who are genuinely interested in you. 
At the same time, don't treat love as the whole of life. While love is important, it's just a part of life. You need to have your own life, your own hobbies, and your own circle of friends. So that you can remain independent and not be completely dependent on him. 
Also, don't forget about your own growth. Everyone has their own growth process, and you need to keep learning, improving, and growing. In this way, you will be better able to face the challenges of the future and get along better with him. 
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Finally, remember that love is mutual, and it requires the joint efforts of both parties. If you try to please him, then he will also feel stressed and uncomfortable. Therefore, you need to get along with him on an equal footing, respect each other, understand each other, and support each other, so that you can build a healthy and stable relationship.