'Dater's Attitude' is one seeking commonality, interests and future-oriented activity. Self-disclosure only occurs when substantial levels of trust have been achieved. Premature self-disclosure is actually a psychiatric condition, one of 'boundary issues'.
Neale Arnold Rosmann has written: 'The relationship between attitude and personality variables in marriage and age, sex, and marital status'
Yes
A committed relationship could simply be an agreement between two people. Marriage is a legally binding arrangement, licensed by the state.
Marriage is a type of relationship. However, "relationship" often refers to an informal romantic relationship between unmarried persons. In this sense the difference would be that one is licensed and registered with the state, the other is not. Marriage has statutory rights and responsibilities associated with it; an informal relationship does not.
If it's rotten or stinky, throw it out.
conjugal
There is no relationship. You do not share a common ancestor. The connection is simply through marriage.
I think it's Uncle by Marriage.
You are their aunt or aunt by marriage.
There is none. Knowing the identity of someone won't ascertain their mental attitude.
to have a lawful and blessed relationship between a man and a woman
Currently in a love relationship which is past the passionate level of arousal and how we determine that arousal, but now on to the campanionate level of the relationship that deals with self-disclosure and equity between two people.