Enclosed in this document is the account of Mr. Johnathan Crewes, who was recently incarcerated in the Psychiatric Ward, of how he was driven insane. He shall be soon shipped to the St. Josephine Asylum for the Mentally Disturbed.
Magic is like alcohol, the more that is used, the more it causes a hangover later on and the less judgement one has when using it. If one waits a while after casting a spell, things "detoxify." A cantrip or two is like a sip of weak beer, whilst a large creation spell is like a bottle of vodka. Cast something too big and you can die from magic intoxication.