I am NO expert but my coach told me it would be ok to say "I don't want a divorce but I won't stand in your way if you do"......... Maybe someone else here can give you better advice but I really hope she means that and is willing.
Me: 35 husband:39 Sons 16 and 11 from my first marriage Twins 5 (boy/girl) Daughter 3 Affair bomb 2/27/14 He moved in with ow 3/13/14 OW kicked him out 6/15/14 4/2016 he seeks help for sexual addiction