Equality between wives

Q: Husband has 2 wives; one is a housewife and the other one is working. The husband said to the working wife that she should bear all the expenses by herself because she is working. What should be the distribution of nights as the working wife only visits on weekends and for the whole week the husband spends his time with the one who is the housewife.

Exercise to treat premature ejaculation

Q: I wanted to know if it was permissible to do some penis exercises with vacuum cupping therapy (dry cupping) with olive oil which helps solve premature ejaculation and erectile dysfunction.

I am unmarried and afraid that because of my teenage mistakes it will hamper my future martial life. I gave up all the wrongs which I did in my past and I do all my Islamic responsibillities. Will it be permissible for me to do the excercise on my own because I am unmarried. The exercise is to train the muscle related to that area for treatment purpose only.

Advising people to refrain from committing haraam

Q: Am I sinful if I see a family or friend saying or doing something haraam and I don't denounce it. Ever since I found this out, I have been telling people so politely but now I keep spotting things and because I keep denouncing things, I lost so many friends in the past as they find me annoying and it makes my life miserable. Is denouncing a sin in my heart efficient or am I sinful if I don't say anything?