The programme has ended, something has finished, and he has a sense of something having finished its course, and then all of a sudden he turns away and this other thing has just finished its course, this other person.
Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure, or nothing.
The one thing you shouldn't do is try to tell a cab driver how to get somewhere.