What a great blog post! I did really need to read that today!
I just want to say a few things...
First off - to the people suffering from depression - please investigate taking magnesium supplements! Very cheap to take with no side effects from the psycho drugs a doctor would give you. Many, many, many people who suffer from psychiatric disorders such as depression and anxiety are magnesium deficient - you can google it and find all sorts of research. The reason so many people are deficient in this mineral is the way that food is produced these days.
One website to start with is:
Rapid Recovery From Depression Using Magnesium Treatment
Try taking magnesium supplements for 30 days and see if you feel any better! I take 400 mg a day.
Secondly - if someone is making you unhappy - it's not them - it's your perception and story about them in your mind that is making you feel unhappy. If you just get rid of all the "shoulds" you have about the other person - question them and see if they're really true - you will change your perception of things. A lot of people I know decide they are unhappy in a relationship, they leave, then they're unhappy without a relationship so they find another which is great at first until all the "shoulds" creep back into their minds and they're again unhappy.
Anyway, try investigating your thoughts before you decide to just quit a relationship.
However, there are some relationships that really are just dead and are worth quitting - neither person has any interest in continuing yet they stay together because of money or kids or ???. Those kinds of relationships can really hold a person back.
Just my $.02 - really should get back to work!