Texting a sibling or friend, and (maybe) writing reminders.
Answer:
Why do we drive on parkways and park on driveways?
In paragraph 9, what the phrase "drew him on by artful questions" means is that he questioned him to try to gain privileged information.
He had to find out some information that was very important to him, so he started questioning him furtively so as to get to the bottom of things.
