I don't want to crush on him again

ok

so are you 100% you like have a crush on him??

if you do then my best advice is to tell him and if he doesnt like you back you can cry for a couple days, then get back to life. But before you tell him (if you ever do) make sure you know exactly what you feel, so if he does like you, you dont end up being the heartbreaker

also i am 13 years old and have only 1 experience of love so do not listen to me

I have SHET relationship advice but catching feelings for someone and then having that sensation disappear is normal for a lot of people!!

If you can identify the reason for why those feelings sometimes stop you could perhaps avoid having them for good. Maybe something about him doesn't fully convince you or they just change because of something personal. If you're a teen then I should mention that we're often changing on a behavioral or emotional level which can affect the people we like being around and what our "type" is, so maybe six months ago you didn't see him the same way you saw him, say, eight months ago, or today.

Just a hypothesis

Quote from fantasygoose

Well... he is very sweet and kind towards me, which is why I fell for him

I have a question, are guys (in general) not usually kind with you?