Translation of racionalizar

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.
The trip included a lot of walking and the guide told us the history of this region, of the Chiapas state and also how it evolved in the context of the entire Mexican country. Very interesting!!!
A small boat took us to the Kayak hiring station. We took three Kayaks in total, one for the guide, one for the couple from the US and one for us. We started rowing to a hidden Bay away from the crowds.