My ex again !

i don't know how to start this .. me and my bf broke up cause we always get into fights , we stopped talking for one week then he come back to texting flirting meeting each other i felt like he wanted to come back but we didn't cause we got into an other big fight and it's because he's ex that is also my friend that always trying to break us up she never seemed to at less to me and he's always warning me from her but i never listened to him bout it and i always blame him after that and i admit that i was so stupid believing her stories that i discover with time that it was all lies we got into a fight like i sad before i really overreacted and hurt his feelings we didn't contact each other for a month then i heard that he starts taking drugs and i tried to talk to him about that but he didn't take that seriously he told me that everything is okay but the next day he called me nd he told me that he got into a deep shit and his family and the cops knew about that so his father gotta protect him, took him away for some time the he closed his phone and deleted his facebook page after too days he contacted me with a fake profil and a new number he told me about everything where he goes bla bla and he sad that he don't wanna anyone to know that wre in touch that you anything about me after a week he disappeared again and i didn't know anything about him for 2 months even his mother and sister after he come back to his normal life you can say xD he didn't want to talk about it or even tell me where he's been he sad that this problem is over and he wanna forget all about it and begin again as a new person he never comes too clear to me also he sister told me that he's not feeling well nd he's geting through really bad times nd i always wanted to help him and make him more open to me but he neverr talks about his feelings he only teel what the problem is not how he's dealing with and with days things come back the way they was before in the good way after i tryed to talk to him about us to come back to him nd asked where this gonna lead us he sad you're a good girl bla bla nd he dosen't wanna relationship for now he asked me to wait for him to get through these bad times but he really seemed like he's rejecting this i asked if this really over nd is it okay if i go out with other boys he told to do what what i want and what i feel like it nd we never stopped contacting each other just casual conversations after he started flirting with me saying i mis you i miss your hugs and we talek about our good times together and he thanked me for being there for him after we come back seeing each other we made out once but he didn't asked me to come back together and the next day we come back to casual coversations just keeping it casual it's like friends with benefits and i hate that i don't know who i am to him i don't know where this gonna lead us i don't know what to do and his ex he girl that he's warnin me from the one he hates apparently.. told me that they are in touch i really got angry i felt like this was hypocritical i talek to him about it and he said just wait for some time and you'll see what happens and a lot of things will change , i really don't know what he's thinking of and i don't know what to do but i really love this guy i know that he's a really a good person and i gotta stay there for him in his bad times i'm just scared that he'll let me go after all this i nevr felt atht he's afraid of losing me.. i'm really lost and guys please don't jugde and excuse my language ,english is not my mother tongue