Advice needed please help

Emily

So there is this guy in my school and his girlfriend and I have been acquaintances bordering on a friendship. And just recently we have become closer and stuff and its been great. But around 2 weeks ago her and her bf broke up after being together for like a year and he is really upset about it but their relationship really just wasn’t working anymore. And I have had the biggest crush on this boy since before they started dating but we didn’t become friends til after they were together. And he is so sweet and amazing and adorable and I give anything for him to be mine. But I want to help him move on from her but I don’t want to ruin my relationship with her but I really want to date him but idk if he would even wanna date me. Idk what to do please help