Help Her for me i feel bad?�?�?

my cusin has this boy friend and she has been dating him for the past to years and his friend set him up so he would dump her and he did she moved on very fast and started dating a nother kid a week later but she still like her old boy freind and he still like her dated her enemy and her new bf dumd her and her old boy friend asked her back out and she really likes him as she said yes she said things where diff. but she did not no in a good way or bad. what shuold she do?�