He found out that his wife was having a relationship with a man, then she repented. Should he divorce her?

Should he observe i’tikaaf during the last ten days of Ramadaan by himself and not go back to his family and worship with them?

It is permissible for the husband to receive well-wishers when he is junub

She got to know him on the internet and he proposed marriage to her but they are not getting along

She loves him but he cannot stand her because she is not beautiful. Should he divorce her?

She dislikes her husband but he refuses to divorce her and he does not give her her rights

His wife does not pray regularly

He promised her some clothes then he gave them to his sister

Should he give his wife control over her own wealth as he does not handle money well?

Is it prescribed for a woman to say when having intercourse, “Allaahumma jannibna al-shaytaan”?