Nikaah & Marriage Issues

Q: Is it permissible in Islam to remain unmarried for a girl? I mean I am twenty two years old. I don't want to do nikaah to anyone. I want to live my life without marriage and also being in the ibaadat of Allah Ta'ala till my last breath. According to Islam, is it permissible?

Q: I love a girl, she is Agha Khani and she loves me too. She sits in i'tikaaf for me. She done all things even hijab. After a few days her mother asked why are you wearing hijab, and my family knows I love her and, her family knows she loves me. Now our families are not agreeing. What should I do?I will do any thing for her. I am facing very big problems. Please help me as soon as you can.

Q: I did nikkah with a girl who is above 18 years old. The nikaah was recited by her cousin who is younger than her. Four witnesses were my friends who were unknown to her. We didn't register our nikkah. Is our nikaah valid?

Q: My question is that can muslims wear condoms while having sex with their wives?

Q: Is celebrating a wedding anniversary jaaiz in Islam?

Q: I have made a terrible mistake. I had sex with my wife from behind three times. I took an oath from Allah not to do it and still did it knowing it's wrong. I am very ashamed. Please tell me what to do as soon as possible. If I have to do kaffarah and what else for forgiveness.

Q: Why do babies smile when there are asleep. Please let me know?

Q: I have 4 children, 3 daughters and 1 son. They all are small kids, elder daughter is 8 years, son is 6 years, another is 4 years the last daughter is 11 months only. Now I became pregnant again around 40 days. My children are all weak health wise. Their bones are weak. My son got 5 times fractures, daughter got 2 times fractures. Doctors said they have genetic problem. May I do abortion for this reason. Will it be a great sin? Please help me out, I don't want to anger Allah Subhanahu Ta'ala.

Q: Is it permitted in Islam to have intercourse with wife fully uncovered?And is it correct to see each other's private parts?