On the face of it, the figure is doing the same as I am, watching the world go by. But my interest in the activity by the park is casual. His seems more... focused.
Arsonists famously get off on watching the fire services deal with the consequences of their handiwork. Several serial killers I can think of got their kicks by making themselves the centre of attention with the police, giving staged appeals for daughters, wives and girlfriends to be returned by alleged kidnappers, when all the while the poor bitch was already buried under the patio.
Am I being ridiculous?
Letting my imagination run riot?
I don't know.
So... I watch him... watching them...
After a while, he knocks back his beer, then leaves his table, strolling across to the snacks van. He pauses, then moves along with a cone of fries.