Is it too much space? No. space and time are what she needs. How does it help you to be around her when she drags you into the void? Besides, you're going with your son.
Do your best to not think about what she's doing or with whom. If you don't have a nice thick rubberband, get one. Wear it on your wrist and when you start thinking about what she's up to...snap that puppy, HARD. It might help you mind off her and put in on your bleeding wrist (depending on how hard and how often you snap it).
