Everything is falling apart?

The person i liked moved away with another person, and when i try to keep in contact as friends, i get no reply, even though we were friends when they lived here. People constantly want to fight me, and friends are always turning there backs when i need them. It feels like my family is a constant battleground. Whenever i try to keep my head up something else happens. My employer looks at me with disgrace. When i do get in a good mood because of something then i have no one to share my enjoyment with. I feel as well that people cant take me seriously. I dont know what to think or do anymore.