One of the least plausible aspects of fantasy as a genre is that sorcerers NEVER seem to get bogged down in creating a new spell then spend the next three or four months muttering "I hate this, it's rubbish" under their breath.
@cstross This stuck in my brain a bit, now I am thinking about the lack of improper magic side effects.
Not the ' I cast a spell and it went wrong and now demons are Miami', but I said this word wrong and now I will not see purple for an hour, or this gesture hurts my wrist and I really need to figure out how to reload the cantrip cache before the buffer gets full without...
And some people with the talent of drawing a circle freehand, equivalent.