My ex and I just got back together after breaking up recently. In the meantime, we talked to other people & I met someone new. Though I was in a relationship, looking back now I feel like I was just there... wasting my time and youth just because I love him and was/am comfortable... I could go on and on but basically, I just said all of that to ask what ways should I tell him that I don't want to be with him and that I feel like it was a mistake getting back together. I don't want to be and sound like an asshole. We were together for a long time and basically grew up together (were together on/off since I was 15/16 and he was 16/17).