A quick summary: 6 year relationship, since we were 14, been turbulent the last 3 years, he doesn't want a relationship but he wants to stay friends and  acts like he really cares about me but idk what to do. He insists on helping me figure the whole bpd thing out and blames be feeling like he's going to leave on the bpd but he has tried to end things 4 times in the last 3 years...