What do I do with my crush and how do I deal with "joking" guy friends?

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I can provide more details, but the character limit didn't allow me to post more info, sorry its my first time
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So I couldnt provide details, because it is too long, so its basically... I like him, I've known him for a long time, I felt insecure bc of his ex. He is somewhat chill around me, but him and his friends make "joking" remarks about me that I dont like (I dont want to straight out say toxic). We play games together, he can really get on my nerves. I am really confused about his behavior. I want to send him a valentine and thats why I am asking this question...
What do I do with my crush and how do I deal with "joking" guy friends?
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