Translation of Sitzkissen

A word might have one meaning in Mexico, and a totally other meaning in Columbia or in Venezuela. Let me check the words that are already translated before doing anything. I will try to add the other points tomorrow.
Somehow, my email was not sent. There were even a few mistakes, but really only minor things, nothing really bad. I've already read some other texts that you have sent and are getting better each time.
Nevertheless, I was looking forward to the flight. Thirteen hours in the air has something exciting in itself. You can watch movies, sleep, read newspapers and rest. Normally, we always under stress.