Codependency and Enabling
To Do About this? - See if you have co-dependent behavior patterns and then decide if you really want to do something about it before you pass it on to the rest of the family.
Facing Codependence: What It Is, Where It Comes From, How It Sabotages Our Lives, Pia Mellody, et.al.
Codependent No More: How To Stop Controlling Others And Start Caring For ourself, Melody Beattie - The classic best seller.