The Messenger of Allah said: "Three are serious when they are serious, and serious when they are in jest: Marriage, divorce, and return."  

قَالَ رَسُولُ اللَّهِ ﷺ ثَلاَثٌ جِدُّهُنَّ جِدٌّ وَهَزْلُهُنَّ جِدٌّ النِّكَاحُ وَالطَّلاَقُ وَالرَّجْعَةُ