Before revision: An on-again, off-again relationship (also known as an on–off or off–on relationship) is a form of personal relationship between two persons who keep breaking up only to reconcile afterwards, thus repeating a cycle.
After revision: the green sources of shrekAn on-again, off-again relationship (also known as an on–off or off–on relationship) is a form of personal relationship between two persons who keep breaking up only to reconcile afterwards, thus repeating a cycle.