Various masaail of Nikaah

Q: What is the ruling regarding the husband drinking his wife's breast milk?

Q: If a woman thinks her husbands private part is her father in laws private parts or thinks they maybe similar to her father in laws private parts, and imagines her husband's private part and maybe also imagines the father in laws. Whilst having these thoughts (she hasnt actually seen them nor does she wish too) does thinking and imagining this affect the nikaah of the woman and her husband. She obviously knows her husband's private parts are his but she just got the thoughts explained above.

Q: Is it permissible for a father in law to hug and kiss his daughter in law as she is young?

Q: I have made up my mind to take a second wife. I have four young children from the first marriage. I am concerned about not being able to spend enough time with the kids to participate in their tarbeeyah as I am a busy doctor and usually come home after Maghrib. Can I keep some or all of my kids with me when I am spending the evening and night with my second wife?

Q: Can a man slap his wife?

Q: Why should a person marry?

Q: I am 31 years old and I want to marry but I am unemployed and unable to fulfil wife's duties? Can I stay unmarried?

Q: Is it haraam for the wife to use a good perfume, lipstick and some other makeup to make herself look good? 

Q: Can a husband hold his wife's hand in public?