I had my lesson observed today. It was by a colleague I like, who 'gets' the way I teach, so it wasn't particularly nerve-wracking, but there's still that theatre about it. Do you acknowledge the observer's presence? Do you explain it to the class? Do you include them in discussions and activities?
I started learning Spanish seriously in August 2017. I had been assiduously Duolingo-ing up until that point, and after hours and hours of it, this was the extent of my spoken ability:
Why do polyglots spend all their time talking English? Maybe that's a facetious question. After all, YouTube is full of videos entitled Polyglot Speaks 20 Languages, Two Polyglots With a Combined Number of 50 Languages Meet--You'll Never Guess What Happens Next!, and The Polyglot Baby Who Learned 5 Languages in the Womb.