Al-Bukhari narrated from Ibn Abbas said, Thabit bin Qais's wife came to the Messenger of Allah, he said, "O Messenger of God, I do not hate religion and morals Thabit, it's just that I fear kufr in Islam." Prophet asked, "Would you return his garden to him? "He replied," Yes. "So the Prophet shallallohu 'alaihi wasallam asked Thabit to separate from him. What this Thabit's wife did was a follow-up of God's word,
"It is not lawful for you to take something back from what you have given them, unless they are afraid that they will not be able to live the laws of God. If you are worried that both (husband and wife) can not live the laws of God, then there is no sin over both of the reward given by the wife to redeem himself