Verb conjugation of "dimostrare" in Italian

In life you have to decide what is best for you. Each time I go to a new place I ask myself whether I could live in such a place. But once I return home, I know that I made the right decision by staying in Norway.
Drinking coffee at night is supposed to be bad. Why? I have no idea. I believe the contrary is true. Coffee opens my veins and let's blood flow better and quicker. I therefore have nicer dreams, mainly from my last vacation in Italy.
Thanks for your help, I was on holidays in Galicia, it was just beautiful, I had a long weekend, and have taken off for a few days. And what did you do on last weekends? did you stay home?