Past District Deputy Grand Lecturer
Y'know, I often use a milking stool as an example, when I am encouraging a patient to go to psychotherapy appointments and to get exercise, in addition to taking medication.Like a milking stool.
"If one leg breaks off, you fall on your a$$!" [yes, I use that mild vulgarity-the surprise and humor I hope keeps it in the patient's mind!]
Yes, a 3 legged stool is stable!
BTW, a 2009 or 2010 study showed that the combination of all 3 was more effective in treating mental illness in general, and depression in particular, than one or two.