I just think poor Whitney who has been used by men since she was very young is a very mixed up soul, and Eastenders have played her that way to their credit continuously without any sudden character shifts. It makes sense in her mind to come back with a man she knows Mick hates to get his attention and its working. Shes always had since her abuse this mx up of a farther figure and a lover.
Shirley as usual is trying to wreck the business, she would have them all out on the street and not care as long as she could control her son.
Max.. I like that he is making them pay but he needs to be careful with Abi that girls going to kill mark my words.
Lisa .. as long as she never says the word "baby" in that annoying way she always did way back when she can carry on her mad derranged activities.