SC - I agree with fisherman. It has not been a waste. Look at the gifts of your marriage! Your beautiful children - your memories of life as you knew it. You will grieve - you should grieve - allow yourself to do it. But NEVER think the time you gave as a loving wife was a waste. It made you into the loving person you are today.
I love the term "extreme self-care" - that's what you need right now. Go easy on yourself.
M-48/XH-48 M=25/T=28 years Ds-24,22/S-18 D - 3/11 A Day at a Time