1 year ago my best friend left me and boyfriend cheated on me to . I don't have friends at all. Recently I met a boy at starting he treated me very special but since last 2 days he behaving very rudely and ignoring we are not even in relationship but he use to treats me very special before but not now. I have problem of overthinking since many days I am not able to sleep . I cry all night everyday .I don't know what to do . I get suicidal thoughts every day . What should I do now ?