Is he really trying to be friends with us or is he trying to get revenge?

theres this guy, joey, who is my ex, and my friend cieras ex. basically, none of me and cieras friends like him. especially bernadette and ashley, our 2 best friends. now, when ciera just started dating him in like mid may, everything was fine, but they started dating on and off, it seems like forever. now ciera has a new boyfriend, who is actually joeys cousin, and all of a sudden joey is trying to be friends with all of us after months and months of fights. do you think hes finally growing up or is he up to something?? its just not like him to apologize out of nowhere like he did, so i really dont know whats going on.