So either 1st chapter is wrong and from an unreliable narrator because at that point in time teach couldn't remember everything correctly, or now is the time hes misremembering things and his memories are being manipulated in a way
So either 1st chapter is wrong and from an unreliable narrator because at that point in time teach couldn't remember everything correctly, or now is the time hes misremembering things and his memories are being manipulated in a way