Doubts with regards to ghusal

Q: I made ghusl and soaped my body twice then gargled and put water on my nose but something tells me I've missed places out although I soaped the whole body twice. Could it be possible for me to miss a place out if I soaped the whole body twice and will fard ghusl be done?

Tawbah

Q: A brother used to rape his own minor sister for many years. Later this same siter kills her brother, will she be accountable in the court of Allah?

Inheritance

Q: Deceased person has mother, wife and two children (son and daughter). How his belongings will be divided? At the moment grandmother of the children is 90 years old and lost her realisation and she has two brothers and one sister. Can grandchildren get grandmother's belonging (If yes) then how? Grandchildren are taking care of her grandmother because both her sons are deceased.

Inheritance

Q: My maternal grandmother died. She had two daughters only (both alive). Grandmother has one sister. How will the warasat of deceased be divided?

Being unsatisfied with one's wife

Q: I am a new Muslim about 3 years. I married 10 months ago. My wife is ugly, every time she becomes ill and she is having high tempreture, her face is full with pimples. When I saw her at night, the day before marriage, I was unable to recognize because her face was covered with niqaab and I was very shy. 

Sheikh, she is very religious, always prays Tahajud, and always wearing niqaab. She loves me very much. She is 100 % satisfied with me and very happy. But sheikh I am not satisfied with her. I am acting as if I like her very much, but in fact I am unhappy. I am trying to kill my heart but cant. I read some hadith such as: 

It was narrated that Abu Hurairah (RA) said: Allah’s Messenger (PBUH) said, “No believing man should hate a believing woman. If he dislikes one of her characteristics, he may be pleased with another.” 

Abu Hurairah (RA) narrated that Allah’s Messenger (PBUH) said, “The most complete of the believers in faith is the one with the best character among them. And the best of you are those who are best to your women.” 

I never had relationship with women after and before Islam. First time I had relations was with my wife. I don't have any intention to marry another. All my family are still not Muslim. My family doesn’t know about my marriage. 

Sheikh, I had a dream about wife but after marriage it was broken. Our relation is very good, she is happy but all I know is that I am only acting for the sake of Allah. I don’t want to make her disappointed. My question is:

1. I don’t like her but she don’t know about that , I used to lie about that, I am trying to make her happy whatever. Is it Haraam to act like
that?

2. How to become happy? What should I do?

3. Any especial duaa?

I hope you will understand.

Infertility treatment

Q: We are married for more than 8 years. We have no children. We are trying to get kids from the beginning but not yet. Doctor advised us to take through test tube. Is it acceptable according to Quran or Hidith?

Respecting one's guests

Q: How should one treat ones guest? Does the guest have any rights? Does the Ahadiths mention any thing regarding ones guest also if one shows disrespect to his / hers guest is it a sin? Is it correct to ask if you'll will have anything? If mufti saheb could narrate any incedient in the live of nabi [Sallallahu Alayhi Wasallam], the sahabaa [Radiyallahu Anhum] and in the lives of great uleama of deoband on how they took care of their respected guess?