The sad truth is that Syd probably knew exactly what was happening to him. In all likelyhood he had "good days" when he could write music like JB that reflected upon his situation with perfect lucidity and insight even as he descended further into madness.

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what do you teach your children about me?
what do you teach your little children about me?
pimp, thug, bling drug lord of the undergrounded kings
how can you be so sure i won't call down the rain?
what do you teach your little children about me?
you point your gun, wait, hide and run. i see it plain