Hey Oz....I've been here too. It is very hard to "blow it up" with only 95% proof. Better be 100% sure before confronting otherwise you look paranoid, controlling etc.
She needs to know that you know...with proof....only at that point can she realize that this is a crossroads for your M.
H-50 W-48 T-19 M -18 S23, S14 BD - 5/9/2018 OM discovered 5/10/2018
In house sep - 8/18/2018 Rope drop 2/15/2019 R'ing since 3/15/2019