it seems that i am not alone after reading your messages. i agree that relationship of PhD candidate and supervisor is very important.
i really hate my supervisor since he let me do a lot of work out of my project. He likes people who every day stay in office or lab including x'mas and new year. in fact, most of them just play computor or others in office. i dont like this kind of research style but He will feel that i am useless and lazy. i have tried to 'not' contact him for 2 months but he feel nothing. i believe that he has forgotten that i am living now. So s***!!!!!!
this is a good web site to communite each other. After typing this message, i feel beter. How much unfortunate PhD candidates in the world????

i am facing similar problem of you. i am in PhD year 2-the midstage. i need two more years to finish.
in this stage, i wanna give up and change the field, such as MBA, since it is meanless.
However, after sharing with some friends, think twice, two years or 4 years is not a very long time in life but this process is very improtant to study how to deal with problems and working with others people in a lab. You know that there are some people is every loathsome in every lab. right?
Also, you will think that if PhD is very easy to get it, every one can get it. Dont give up, continue...