1. Thinking that just because I’m from the US, I’m American.
We Americans from the United States have forgotten that the word “American” actually encompasses North, Central, and South America. Somos todos americanos. If you dare introduce yourself as an americano to a Tico, you might understandably get an odd look.
“That’s swell, so am I,” a Tico might think. Here, you’re an estadounidense. Get used to it.