get back together
phr. v..phr. v.. to start a romantic relationship again with a person you were with in the past.
phr. v.. to resume a romantic relationship after a period of separation or a formal breakup.
I think they will get back together soon.
After being apart for six months, Sarah and Tom decided to get back together and try again.
Despite their tumultuous history and the skepticism of their friends, the couple eventually chose to get back together following a long period of self-reflection.
often used without an object when referring to both people, or with 'with' to specify the partner.
contrast with 'reconcile' (formal) and 'make up' (which can just mean ending an argument without necessarily having broken up); it is a very common theme in pop music and film.
They got back together themselves.They got back together.the phrase is already reciprocal, so you do not need a reflexive pronoun like 'themselves'.