What you felt is as common as the common Cold.
I'd venture to guess that nearly all of us have "purged" at one time or another or another or another. That deep feeling of shame, guilt, this is wrong is pervasive.
Trying to answer the Why so that we can get past those feelings is just as common. I've been trying to answer it all my life and finally just gave up. I no longer care. I've accepted myself and once that was done the rest was easy.
