Paying the deferred portion of the mahr before it is due

He gave his wife her mahr: a ring that he bought with riba

Her husband gave her a mahr of a car that he bought by means of riba; now he wants to take it back so he can buy another car by permissible means

It was written in her marriage contract that she had received her mahr but she has not received it and she has started to resent her husband

He gave his wife gold and they had an argument; does he have the right to ask for it back?

A new Muslimah is asking about problems in her marriage

His father is unable to give his wife the dowry (mahr); can the son give it on behalf of his father?

He did the marriage contract with her but she does not have any accommodation and he wants to be intimate with her

He wants to take her back on condition that she give up the furniture that he put in her name

Can he rent the traditional set of jewellery and then return it to the jeweller in order to get married?