Verb conjugation of "staunen" in German

My brother moved there last year. He met a woman and went after her. After six years they have broken up, but he no longer wanted to return, because he has settled down in his new home. I am visiting him once a year.
I will be creating an additional study with a student (his name is Juan), which may appear in local newspapers in the future (in English). However, this may take a couple of weeks too.
I'm already in my bed... I am looking forward to the Wimbledon tennis tournament. Football is nice too! Here it very hot. I am missing the rain on the west coast ... I will be back again soon.