Nikaah & Marriage Issues

Q: Before delivery for my wife what should be read so it goes well? I heard putting Muatta Imaan Maalik under the pillow helps. Is that true?

Q: Is it permitted for a wife to keep in contact with her brother without her husband knowing by texting him daily and sometimes calling and neglecting the husband's rights? What is the ruling with wife keeping in contact with her family members, including her siblings and cousins? If husband feels like this is too much and the wife should be more interested in seeking ilm then can the husband not allow the wife to keep in contact with the husband until she fulfils the husband's rights? Please let me know what course of action I should take in order to resolve the issue because I tried explaining her husband comes first before her family members.

Q: Is it mandatory for a wife to serve her in laws like doing their household work? Is it a right of a wife to live separate from her in laws? What are the teachings of Islam?

Q: If a girl chats on facebook with a boyfriend and calls him "husband" and he calls the girl "wife". Will she be in his nikah?

Q: In my area the Shariah is not applied to its extent. My question is regarding marriage. There are many so called Muslims getting married according to the customs of this area which is not in compliance wih Shariah. People roam freely to choose and meet there life partners instead of the Shariah compliant way. Will these marriages be cosidered as Legal according Shariah?

Q: Can you please list some of the punishments in the grave and jahannam for those who look at pornography or can you tell me a place where I can find this?

Q: Does Islam allow one to marry to non muslim or muslim girl just to seek visa settlement and make a deal with her and pay her for that. After getting the visa the matter is finished. The marriage is just in papers.

Q: Is it right for a father to let his daughter sleep over at her cousin's house? Is it right for the father to let his daughter sleep his house for 2 nights after one another?

Q: My nikah is very soon Insha Allah. My question is about nikah in the Musjid. It is compulsory for a girl to go to Musjid for nikah or it can be done in the girls absence. My father in-law does not want me to come to the Musjid for some reason.

Q: 

1. Are second, third, fourth marriages a sunnah?
2. Is polygamy encouraged in Islam (emphasized sunnah) or is it something permissible?