When couples not only enjoy each other's company, but closeness is both wanted and needed, they are in the?

Actually here in this type of scenarios the couples are in the starting phase of mutual relationships which may be of any of types of relationships, ie, the couples want to spend as much time as possible together to know, feel & understand eachother and finally form a very close relationships, which may sometimes end in true love for sure. The correct answer is integrating stage.