How can I make it more obvious to my crush that I like him?

Actions, words or anything else. He is male and I'm female. I wanna confess my love soon but I don't want it to be a big surprise, we're best friends so I don't wanna ruin the friendship, so with giving him hints it would turn out better so that he knows I like him even before. Thanks for every answer I NEED THEM

How can I make it more obvious to my crush that I like him?
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