She felt immense pain when he died.

She didn't quite know how she felt it, but she did: a physical SNAP inside herself, like her heart was cracking in two. Her programming told her that was ridiculous, that there was no heart to break, but that was how it felt.

Then her secondary programming kicked in. All the previous programs dominating her systems were washed away, like waves on a shore.

Her eyes opened.

So this was his backup plan, the thing he had always alluded to but never said.

She knew what had to be done.