I found this article to provide some interesting insights on the phenomenon of online relationships. It isn't about gaming per se, but chatting is a big element of most games and some of us have gotten carried away with relationships with other players. I know I can relate to what he says in the article, although I don't agree with all his conclusions. Chatting can definitely become cheating.
www.ediets.com/news/article.cfm?cmi=765267&cid=7&code=24044
Cathy