Hi there,
It is unfortunate that the psychologist was not able to help out, but please to pursuvere with such help
Problem solving often results in epiphanies, and utilising the available resources is a must
Try self help books such as Anthony RObbins, Deepak Chopra, or even Inspiring Film. Perhaps look for clues as to what is that which appears to be empty, and that which your mother appears drawn to.
Is her nutrition good? Sometimes the bodies biochemistry simply needs some form of biochemical to allow it to come into balance and turn it around.
As this is a physio forum it is difficult to offer any further advice
Regards