Don't assume that she is doing this stuff to make you used to being "just friends". If you constantly think negative that is what you will portray to others. You need to just be thankful she at least helped you and is being civil. This is a huge change from a few weeks ago whether it is for her personal gain or for the M it does not matter. She is being nice.
The sad thing is that you will always have W in your life so you need to find some way to detach so that when you have to be around her you don't get so mad. You will have many school plays, swim meets, dance recitals, etc in your future where you are probably going to be seen in the same place at the same time. You don't have to be buddy-buddy (I know I would not be with my H if it comes to D), but you need to get to a point where you do not get mad when you are around her, for your sake.
Have a good night and hopefully everything will work out, so you have a busy weekend.
Me29 S3 H left 4/1/09 I file 8/2/10 Divorce final 5/17/11 1st http://www.tinyurl.com/25lhu52 2nd http://www.tinyurl.com/2c35ueg 3rd http://www.tinyurl.com/322yk89