Now, none of us want to be in the situation where we can't get into our own home, but do take time to think where the best and safest place is to leave your spare keys.

To arrive in time to open his tiny store at 8:30, he need to leave our apartment at 6. After all, he had to take a bus and then the subway.

But we were able to take our children down to the park when they were babies and leave them with a teenage sitter and no one was worried about safety.