This isn't necessarily a bad thing because it will keep you from making bad investor decisions like panic - selling. (crowd101.com)
My first though about the statement that most investors barely breaking even was that the simple answer is most people are really bad investors. (canadiancapitalist.com)
This is not by far a complete list of bad investing behavior, but I think it does cover a lot of the key bad investor issues. (thecollegeinvestor.com)