Didn't read the replies thus far, but you mean your metamour - not your partner's metamour.
For me, no. But I don't have partner-type relationships and don't usually have much contact with the metamours I've had.
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