“One should love G‑d with a love of the soul and the spirit, as they are attached to the body and the body loves them….” This is the interpretation of the verse: “My soul, I desire You,” which means, “Since you, G‑d, are my true soul and life, therefore do I desire You.” That is to say, “I long and yearn for You like a man who craves the life of his soul, and when he is weak and exhausted he longs and yearns for his soul to revive in him (lit., ‘to return to him’). Tanya Chapter 44
The brain, like the body is responsive to exercise. The more you exercise, the more you can exercise…
