Verb conjugation of "circolare" in Italian

Let's not forget how we started. We were writing each other very long messages and today we are both much more fluent in both languages. No book could have brought us that far. Cheers.
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 am French and I am learning English. If you have questions about the French language I'll help you gladly. Get in touch. I had to go to the doctor and I was away for about an hour. Excuse me!