Translation of sincerity in Spanish

Thanks a lot. Today and tomorrow are holidays in Switzerland, but I'll do it Tuesday first thing in the morning...please have a look at it and confirm. Where do you want me to place a reference?
There were mountains. The heat of the day stand for the atmosphere between the man and the woman. They are waiting for the train from Barcelona to Madrid at a station between the two cities.
We went to eat dinner with the Dutch couple in a Sea food restaurant highly recommended in our Lonely Planet Travel Guide Book. It was OK, but we had a great time with our friends.