It sure can get confusing to try and keep track of who's "speaking" when two people post under one username. So, simply for practicality and clarity, I tend to dislike it when a couple does that.
The world opens up... when you do.
Oh, oh, can't you see? Love is the drug for me. ~Bryan Ferry
"Love is that condition in which another person's happiness is essential to your own." ~Robert Heinlein