achja, thanks for the reply! Didn't expect that. Sorry that I vandalized my own question. I was suddenly afraid about this forum after reading a few posts (should have done that before asking) and thought it's better to disappear quickly again.
Your recommendation about playing with slower time control sounds good. Currently I lose a lot of games because I run out of time. Yes, I'm exercising a bit with chess videos and I notice success, just slowly. Thanks for all your tips!
Where can I nominate the troll of the month?