I would help the children put together something special for Mother's Day, but leave it at that. I am not too familiar with your sitch . . . but if you do something for your W, that may come across as pursuing. Not sure if you are in a place where that is going to do more harm than good.
me: 44 XH: 42 M 11 years D10 and S8 Bomb drop 9/27/13 D final 7/1/14
