Saying "O Lord"

Q: My husband when something happens like wrong or even good sometimes he says oh lord, is it permissible? He says it regularly. Sometimes he says oh paak Allah oh Allah. After he said oh lord. The other day I said oh lord too.

Seeing white spots on one's clothes

Q: I have been having little doubts about wet dream. I woke this morning and I got changed and went with my day. Didn't notice any wetness or anything, but when I got home in afternoon to pray I got little doubts so I went to check the garment that slept in. When I checked, the garment had very little white dry patches. Since I saw these patches I got more waswasas. Also I put this garment with my clean clothes. I was wondering is this garment impure? Will my prayer be invalid? Is this just waswasas? If it is not waswasas, will the other clothes become impure as well?

Different sects

Q: What are all the Muslim sects that are not Sunni or Shia? (Not every single group from within each sect but all the sects of Islam that every Muslim group falls into i.e Sunni and Shia.)

Issuing talaaq in anger

Q: My husband gave me divorce during a heated argument and now he says he didn't. Neither myself nor him want a divorce. I am 7 months pregnant with 2 other very small children. My family are telling me I am divorced and I have to walk away but I don't want to leave my children fatherless because he couldn't control his temper which he has a problem with. Please help me.

Medical insurance

Q: Is buying medical insurance allowed? i.e now I am healthy so I buy an insurance for e.g. 2 years. So if any medical emergency happens to me in the two years, then I can claim the insurance.