Hello Nicole and Welcome to Neurotalk!

I wish I had the words for you to say to your husband.

As hard as it may seem... it would probably be best if you told your husband sooner rather than later. If you delay in telling him, it shortens his time to prepare. It shortens the time he may want to spend with her.

While I don't know the dynamics of your husband and his mother's relationship... he needs time to tell her goobye in his own way.

I know it seems hard...but would it be harder if he found out later that you knew days or weeks earlier and didn't tell him??

Sending you a gentle hug
Hoping you find a way...

Abbie