Obviously, a married couple.
yes
They both are not married. but they living together, like husband and wife.
Of Course husband and wife can bathe together.
In Islam, it is permissible for a husband and wife to bathe together as long as they observe modesty and privacy.
living the comfort
A married couple.
Yes, a family that prays together stays together
In the movie "Dead by Sunset" the husband and wife have three boys together. The husband is abusive to the wife and he eventually murders her when he realizes that is the only way he will get custody of the children.
living or located away from both the husband's and the wife's relatives:
You can have a final divorce and still be living together in the same house. The divorce is just a legal recognition of separation. What you do in your relationship is up to you.
Either together in the back seat, or the wife in the front with the friend and the husband in the back.
the husband and wife have dinner together