Responsibility & Self Care, Squalor Survivors:
http://www.squalorsurvivors.com/overcoming/yourself/selfcare.shtml

Self-Worth, Squalor Survivors:
http://www.squalorsurvivors.com/overcoming/yourself/dignity.shtml

Have you read something helpful to add here?

Self Care for those who hoard, by the Mayo Clinic:
http://www.mayoclinic.com/health/hoarding/DS00966/DSECTION=10

To add to the Mayo Clinic list:

Remind yourself that you are a person of worth and deserve to have a good life.

Remind yourself that it is ok to "let go" and not need to control everything.