Dawn it's best to not tell in laws. That has to be your h's place. I got involved and told h's parents and family what he was doing and h walked out and never returned. Hence part of the big mess we are in and h blames me.
Sooners, don't confront she would be affended and the truth may not come out anyway.
Focus on reaching out with love unconditionally and stand while she is off thinking or doing whatever.
Me 50 H 42 S 22 S 9 D 7 M 12 T 17 H moved out 8/2006 H moved home 1/2007 for 3 weeks H moved home 5/2011 for good
"Learn from yesterday ~ Live for today ~ And hope for tomorrow"