Translation of sensibilizar

Although it is very cold, I love the fresh air there. After an hour and after finishing the getting dressed in warm winter-clothes I am usually ready for skiing. Normally I like to go out early.
Please write me from your home as soon as your are back. My Spanish is better than that of most Americans, but my English is worse than that of most people here. It is a strange position that I am in.
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.