Jesus, I can't even use commas in German and now you want me to use them correctly in English as well? Who are you? Adolf Hitler?!

No, but seriously, for me it's kind of the other way around, this forum is what actually got me to learn english to begin with. Before joining here, I was too timid to write anything in English, so my first few posts and threads here are in German, but the truth is, without writing English you won't go far here (or anywhere on the internet, really).
And my English was really bad in the beginning, like, atrociously bad and then some more. But having native speakers here that wouldn't jump all up my throat (unlike my English teacher at the time. Hey Ms. Rausch, go suck a big one!), but instead would just talk to me, well, the forum in general, in more or less perfect English helped tremendously.

PS: If someone dares to correct my commas, I will cry myself to sleep tonight.