The most heart breaking thing in the world is to be in relationship with someone and you feel alone.
When you are heartbroken then you are despondent and sad, and you are feeling sorrow and severe grief over something. There are many reasons that you may feel heartbroken, such as a spouse cheating or a friend betraying you, and this state of mind may take some time to get over. It is possible to be heartbroken over the loss of things as well as the loss of people, if you cared a lot about the item that was lost.