You can get a sense of those during an hour-long lunch, but not based on a glance.

BBC: Should lunch breaks be mandatory?

It was loneliness that had led him to seek a conversation on a restaurant patio long past the lunch hour, as it was loneliness that had made her empty the refrigerator in the cottage and pack her belongings into five mega-sized black plastic garbage bags and drop them outside a Goodwill early one morning.

NEWYORKER: Alone

Even on the busiest of weeks, taking an hour-long lunch break to read alone on a nearby park bench might be just the cure for an otherwise crazy schedule and overwhelmed mind.

FORBES: Why Being Busy Can Keep You From Getting Ahead