Translation of Rohrkrepierer

So I cannot eat an entire fish, that looks like a fish and I cannot eat an entire chicken that looks like a chicken. Understand? It is all in the head, as I have told you before. Nothing personal.
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?
I had to get used to riding the bike and I almost fell a few times. I drove on the main road and stopped at several little villages near the beach. The locals were very friendly and welcoming.