Nikaah & Marriage Issues

Q: Who asks for the dowry, the bride or the parents? If dowry is the right of the bride, can the parents disagree with her if she accepts less mahr?

Q: What are the responsibility (HAQ) of husband over wife?

Q: Is there any special virtue recorded in the Hadith regarding attending a nikaah?

Q: Can one consider it as a great blessings of Allah Ta'ala if he gets a chance to conduct his nikaah in Masjidul Haraam?

Q: If a man is going to sleep and only thinking lustfully about a woman and gets an erection, can he marry the woman's daughter?

Q: My sister in-law has gone with her 6 month old son to her parent's house for a holiday overseas. My brother had gone to leave her. Is it permissible if my father (her father in-law) picks her up and brings her back home and be her mahram if her husband is tied up with work? Also, is her father in-law allowed to be her mahram when travelling?

Q: I have a question about Mahr. How much Mahr was hazrat Faatima given and how much is that as per today and what is the minimum amount of Mahr?

Q: My question is about anal sex. My father wants to have it with my mom and she is not agreeing. He said that he will take a girl and will have anal sex with her in front of my mom. What should she do?

Q: My question is can a Sunni man marry a woman who is a Zaidi (Shia) since Zaidi's are closer to Sunnis than Shias?