In general, my experiences here in Nicaragua have been positive for the most part. Nicaraguans are very gracious, very kind, and they extend themselves to help you, but if you do not acknowledge them in some way along the way and show your gratitude, their attitude could turn very quickly to disappointment or disapproval.
I find Nicaraguan women to be more gracious, helpful and hospitable, while I find the men to be more likely to be more interested in finding a way to get money from the gringos, for example, finding a way to charge more for a tax cab ride. Most Nicaraguan women are very honest, open, and gracious and very helpful.
There was one time when I was trying to buy body powder and I used the word in Spanish that means an herb powder that is used in cooking, and that is not the same as in body powder. The woman at the store would step forward, recognizing my error and asked me what I meant. When I would explain to them, we would all laugh about it and they would practice with me at the counter and tell me how to say the right word in Spanish. It was wonderful. It was exhilarating to be so well embraced.