Marriage Contract and Mahr

• What is the evidence that the wife's consent is not a prerequisite for a second marriage, and that it is permissible to conceal the second marriage from her, and is the condition "if her husband marries, she has the right to divorce" still valid?
• Is it permissible to give a wife her dowry in a currency different from that agreed upon in the contract?
• Is a child born from an unregistered 'urfi marriage, which was later formalized by a شرعي (Shar'i) contract after the birth, considered legitimate or not? And is that considered zina (adultery/fornication), and what is its شرعي (Shar'i) ruling?
• Is it necessary for the fiancée to verbally authorize her guardian to complete the marriage contract, or is it permissible for the guardian to conclude the contract without such authorization?
• What is the ruling on a Muslim woman cohabiting with a Christian man without a lawful contract, then her marriage to a Muslim man, and does she become permissible for him, and what is the ruling on the children she bore from her Muslim husband?
• Is the husband sinful for refusing to reciprocate the request for divorce? And are the wife and her family sinful for requesting a divorce and for their actions that led to the wife abandoning the marital home, leaving the husband exposed to temptations? And is the wife's father considered a instigator?
• Does the husband who divorces his wife have the right to reclaim the full mahr or half of it if he only saw his wife after the marriage contract, and decided to divorce before consummation?
• Is it permissible for a man to enjoy a woman up to the private parts merely upon engagement and agreement on the dowry, based on the premise that the marriage contract (nikah) is a Sunnah and that what is obligatory is the offer and acceptance between the two parties?
• What is the ruling on marriage for someone who has strong desires and fears wronging his wife due to his unwillingness to live with anyone, and is it permissible for him to marry a woman who agrees with him to marry solely for the sake of desire, without specifying a duration?
• Is it permissible for a man to contract a new misyaar marriage with his divorced wife after divorcing her with a single pronouncement while she is in her iddah, and is he required to obtain the permission of her guardians for this, and is it permissible for the Imam to be her guardian if her guardian does not know about or approve of misyaar marriage?
• What is the optimal course of action to take with one's family to convince them to accept marriage to a non-Arab man, given that the marriage has already taken place in the presence of a sheikh and witnesses, and according to the Hanafi madhhab, which permits marriage without a guardian (wali), without informing the family of the marriage's completion?
• What are the financial rights of a wife who is ill-mannered, seeks divorce, and abandons the marital home, despite the husband's attempts at reconciliation for the sake of their children, and her family's testimony to her bad manners and disobedience?
• What are the financial rights and the Shar'i rights that a wife must relinquish upon khulʿ?
• What is the ruling on a marriage with a dowry, part of which is prompt and part deferred, not becoming due except upon death or separation?
• Is it permissible for a wife to refuse intercourse with her husband if he has not given her mahr, knowing that she got married two months ago in a non-Muslim country and her husband is Muslim and knows that mahr is an obligatory right?
• What should a man do who married a woman and had children with her, then discovered she is his father's wife, and what is the ruling concerning their children?
• What is the ruling of the Sharia regarding a father postponing his daughter’s wedding indefinitely, under the pretext of testing her fiancé and the extent of his self-control in anger, and is he entitled to do so?
• Is a young man entitled to request the annulment of the contract after discovering that his fiancée suffers from epilepsy and that her family did not inform him of this before the contract?
• What is your esteemed opinion regarding the interpretation by Abdur-Rahman ibn Yahya al-Mu'allimee al-Yamani of the Almighty's saying: "And those who have not yet menstruated," and does the verse indicate the permissibility of marrying minors?
• Has the aforementioned marriage been completed, or is there a deficiency that invalidates it, knowing that there was a guardian, two witnesses, offer and acceptance, and prior agreement on the dowry and deferred dowry?
• Is it permissible for the son to be the guardian (wali) in the marriage contract if the father is present, whether the father agrees to the marriage or not?
• Is what the wife did, by inserting things into the anus of a strange man, considered a sexual abomination (fahisha of zina)? Does she have rights after divorce? Is it permissible to take her back after her repentance?
• Are the wife's family entitled to demand the remaining portion of the dowry, even though the gold paid was considered part of it, in order to return the wife?
• What is the ruling regarding a wife returning to her first husband after marrying another man, under the assumption that her first husband was an unbeliever, and then realizing the invalidity of this belief?