That was the problem with reading: you always had to pick up again at the very thing that had made you stop reading the day before.
Genes are not simple triggers. No one is hardwired to commit murder or any other crime. Our actions are always the result of stupendously complex gene-environment interactions, and environment is likely to remain the more important influence by far.
Oh, to be home again, home again, home again! Under the apple-boughs, down by the mill!