NEED TO VENT!!!!!

I've been SUPER happy with my current relationship we've been together for quite a while he got to meet both of my best friends (I have a boy and girl best friend) and he helped me out of my last relationship that was very abusive this man has literally saved my life I don't wanna think about where I would be right now if it wasn't for him I owe him everything he makes me so happy BUT of course my ex has still been trying to get in contact with me he's reached out numerous times made fake accounts to talk to me and today I just found out that he send my guy best friend a friend request to try and get to me my BF is LIVID he hates this guy I do too he basically tortured me for 6 years idk what to do it's super frustrating my friends say try to ignore him while my BF wants to talk to him and set him straight idk what to do it makes me so angry I just wished he'd just leave me alone I'm still in high school me and my BF plan on changing our names later after high school to get away from our pasts I don't get why he's still trying to get in contact with me he's cheated numerous times made me wanna commit suicide gave me pretty much every fricking panic attack I've ever had in my life I finally changed my life around and I'm happy and he comes back trying to drag me back into that deep dark ass hole that my BF had to take me out and fix me up again I'm so grateful for my BF I'm so blessed but no matter what I just want that old horrible chapter of my life to finally end so I can fully move on happy 😔😔😔