Verb conjugation of "decay" in English

Can we meet on the March 4 or 5 (Tuesday or Wednesday) in Cologne? I am delighted to see you again soon. We are in the beginning of March and we look forward to seeing you next week. Here's a photo.
On the frozen lake, you can skate, but I would never dare it because it is far too dangerous. Who knows how thick the ice really is and how accurate the measurements are. It can break.
We may be able to write emails. This is my email address. I am giving it because I rarely online at Vocabulix! My email is: ----. Next time I will send longer text messages for you to translate. OK?