Yes, infact she is already married and she has 2 babies.
No.
He is already married, you can't marry him unless he gets a divorce.
She was engaged to her recent boyfriend but they split last year
you cant.. sorry
He shouldn't, but he CAN do whatever he wants.
If she is acting secretly and acting extra lovey dovey
Wait to have sex until you are married and repent for previous sins.
No. Adultery is only relevant when one of the people involved is already married; being boyfriend-girlfriend or de facto is not considered enough.
I would say boyfriend( or husband if she's married)
Alicia Key's is now married to her boyfriend and his name is Swizz Beatz. They married in 2010. This information can be found on Wikipedia and on her own website.
First of all, why are you dating a dude who is already married?!! But if the wife threatened you, stay away for as long as possible.