Translation of grasiento

There were no lights on the highway and hardly any cars, but quiet a few motorcycles and funnily pedestrians walking on the emergency lane. There was a tropical atmosphere in the air, I liked it.
But we need to asked ourselves why we actually are built in such a way that we so easily dislike others and build stereotypes. What leads to such behavior even in well educated individuals?
The room had around 4 square meters and the bathroom and shower were tiny. I was not content about that, as we could have stayed in a much better hotel for less. But we had made reservations in advance anyway.