Verb conjugation of "stellare" in Italian

What is the next big crisis in the world. No one knows, but experts believe that it will be weather and water related. There is a growing number of arid areas around the globe and many people are living in those areas.
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.
I have learned German for one year and I would like to intensify my studies. Do not know how yet... It is very difficult at my age to start new projects in life. I am over 75, did I tell ya...