“But the awakened and knowing say: ‘body am I entirely, and nothing else; and soul is only a word for something about the body.
Behind your thoughts and feeling, my brother, there stands a mighty ruler, an unknown sage – whose name is self.
In your body he dwells; He is your body.”
– Friedrich Nietzsche
You Are Your Body.
That’s something that most so-called “spiritually” inclined people don’t want to hear, and which they will mostly never reconcile themselves with, but the denial of this fundamental truth, and the repression of our body leads to big problems, which is why most of the “spiritual” people you run across are secretly hateful, jealous, petty, neurotic kooks.
Because you can’t control what you repress.
Just before his own self-awakening, the Buddha, who had been living as an ascetic and torturing his body finally ate food offered to him by a farm girl, and then almost immediately after became “enlightened”.
This shows that caring for the body is essential for personal development.