Translation of Kettenraucher

If someone tells me to try a delicacy I won't eat it although I have never tried it. It took me twenty year to try Sushi and yes I love it. My friends tell me that I am conservative and stubborn.
Last week for example, I could have told you in advance that there is no chance for the other trials (if I knew): The traffic on the major website was too big. We should test it again sometime.
Yesterday we launched our online community, in which we want to bring our users together. You can find friends online who are interested in learning languages and exchange lessons and messages with them.