I'm with you.
Mentally ill or not.
Sounds to me like she has some issues and the guy should run away.
Agreed...ISSUES=a gopher loose in her garden.
Her boyfriend has one less 'ISSUE' to deal with now. HER.
Imagine what would have happened when the pressure of picking window treatments came up or heaven forbid what to have for dinner. I hope her sister has been in contact with Dr. Phil. Geez