Verb conjugation of "wenden" 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.
You have to be careful when you go on summer vacation. There are many dangers but the most dangerous one is the sun itself, because if you're not careful it may harm you. People underestimate the rays.
It takes a lot of energy to go out and have fun. I do not have this energy at night, but still, I feel good. I love to watch Spanish and English movies on TV and sometimes I go to the movie theater.