Defogging the mind is pretty simple and not complicated at all. First Capture the Essence of the Srimad Bhagavad Gita. You will have to anyway read it a number of times to study it in detail, but first get a grip of the philosophy instead of relying on WhatsApp forwards!
https://tavamithramsarvada.wordpress.com/2021/12/30/capture-the-essence-srimad-bhagavad-gita/
Tavamithram Sarvada 