By the way, if you would like to participate in mathematical discussion about random undergraduate-level mathematics, feel free to join in at another room I regularly contribute to:
Thanks! I have a look. Here is everything fine too, although the situation is not getting any better. I have to teach my classes online this month und maybe longer. It's a little bit frustrating, for example the websites for video-conferences are often not available.
Not really... Next weak we get maybe a stronger Lockdown. Looking forward to summertime. Hope the vaccine helps to get rid of the pandemic problem but now there isn't enough.