My suggestion is to do nothing from you. But let the vets chime in.
We can't mind read as to what she is thinking, why she messages you...but again, she is cake eating. You are plan B.
All I plan to do is have kids make him a card like I always do. Nothing from me this year.
M: 9 yrs T: 13 yrs H:34 Me:35, S4, D2, S 7 months Dday 11/12-PA & multiple PAs Dbing 12/12 S 1/13 7/13 H moved back in basement. 8/13 #3 born 10/13 still cheating 10/13 He moves across country, I file for D