Reality in the Eyes of a Madman

——Is the world we live in real? ——After the physical body dies, where does the consciousness go? ——Is the madman awake or sinking? (The product of a hard-working student's whim, the writing is novice, and the logic may be fuzzy and the terminology is inaccurate. If I am offended, I apologize here, please don't criticize, thank you)