Translation of Rationalismus

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.
No problem with the statement you sent me! They need to fill in some forms on the main page, which they will do tomorrow. Please send me all German lessons and guidelines for inserting the expressions.
We left and went back to the boat which took us back to the big vessel. We started our journey back to the main land. It was already late and from the main land, it was still a four hour drive back.