Translation of Exkrement

One of the most difficult problems I have (and I am sure that others have it too) is getting used to the superficiality of the life in the US. To be superficial means to me not to be able to recognize.
They are not used to live together with other religions and cultures and they do not know how to coexist. In each region people assume things about others, but in some regions the hatred grows.
I went to the desk of Aerolineas Mexicanas and postponed my flight by two days. I did not have to get prepared as I had done some homework before coming here. The backup plan was Isla Mujeres.