Is bad to blow off work for no reason.
Art is laying bricks in the hot sun, constructing a wall.
Art wants to give art's tired muscles a rest.
Art sits under a tree for a few minutes with a bottle of water and recovers in the shade before returning to work.
Art leaves the wall behind and gets drunk with Art's friends.
An obligation is fulfilled and Art's work history remains unblemished, the wall is completed for the customer.
Cement dries inside a mixer, ruining the mixer, Art does't get paid for the wall, and owes money for a new mixer, the wall is not built for the customer.