If you’re always there for him and you always try hard to surprise him and show your affection, he will know that he’s your only priority and it will make him lose respect for you.
You can never be 100% devoted to one thing that makes you happy because it’s not healthy.
You have to find a way to balance your love life with your friends and family and you should never only stick to one thing because that way you’re neglecting others who are equally important to be treated the same way.