Thanos in his eighth month of existence (at least from since he left the placentas’ safety) at least 9 months before his self awareness would start, he had an accident and his tiny elastic head was squeezed on it's left hemisphere, probably causing him irreparable... gain. Not knowing if his condition changed post-accident seems really satisfied of how things are; say he’d never proceed in suing his neurosurgeon. Got into hard rock at young age and when he finally managed to tell the bass li...