It sounds like her perception of you as the strong guy she married to support her went away when she had to become your caregiver. Your confidence definitely needs a shot in arm right now. Are you doing anything to make yourself stronger?
EDITED – ADVERTISING is NOT ALLOWED. You must comply with the DivorceBusting.com Board Rules if you would like to continue the privilege of posting here.
Strong&Alive's posts (Be sure you are logged in before clicking the link to S&A's posts.) He has some great posts about things to do to get your confidence back.