The minds of old men

I was grocery shopping today. Upon entering the store there is a place with booths so you can order food from the deli and have a place to consume it.

As I passed by there was an old man with his eyes closed and his hand cradling his coffee cup. He wasn't moving.

I wondered, is he asleep, as the effort may have been strenuous and he was resting before going on. Or was he wandering the past in his mind? Was he following the paths of a much younger man when he was more vibrant, more alive.

Resting or dreaming? I don't know.