I think a lot of times, manipulation is in the eye of the beholder. Two people can do or say the exact same things, and only one will be considered manipulative. Like the old jokes about a man being a leader, and a woman doing the same thing is a b i t c h. So MTG may be targeted where Dr Muffin gets a hug button for the same comment. But having been accused of it myself, I would say it comes primarily from not taking responsibility for one's feelings, so you (i) try to manipulate someone else into carrying some of the load in some way.