Verb conjugation of "müssen" in German

I hope you you had a successful week in Dortmund. Because of the bad weather at the last moment I could not get on my flight to Dusseldorf and I have stayed home. I was afraid to fly.
I have even met someone who invited me to come and visit. It was an older couple who were renting apartments for language students. Well, actually there are agencies that offer the same as this couple, but I'm open.
I'm fine. I hope you are too. Art is very important for people and everything would be much more boring without art. Nevertheless, there are not many people who appreciate it. I have no sympathy for that.