Does he like me? Should I tell him?

Ok, so there's this guy that I've had a massive crush on for like, three years now. It's kind of crazy because we were in the same church choir in first grade and we never even talked. But then when I was eleven he transferred to my school and we've been BEST FRIENDS ever since. I really, really like him. Our families are best friends. Here's the thing- my other best friend (we are all friends+she knows I like him, wanted to get him to say something) was talking to him about me and he said he used to really like me but now he doesn't bc he says I'm always stressed. But I've been getting so much better (I have anxiety, but it's totally under control now). Was this just him not wanting to admit that he still likes me? Or was he telling the truth. I know I shouldn't change myself for a boy, so you don't have to tell me that. I'm also worried that if I tell him it could ruin our friendship. Should I go for it? I just really need advice and I'm not sure what to do. Lmk in the comments, thanks.

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