Translation of infidelidad

I understood that this was a real problem in this country and many foreigners came for sex tourism. Many bad stories had happened but my hosts were decent people. I could tell that right away.
Certainly, in a healthy mind, these feelings should not arise from bad thoughts. Not only the thought but also the reaction which arises and develops from this thinking is racism. Do you understand?
My wife joined me two hours later and everybody went to breakfast. The plan for the day was to visit a cave on one of the islands. We took smaller boats to get there as the ship was too large to approach the island.