Loneliness happens when you are far from your people or have the feeling that you have been left behind by those who matter the most. It hurts. A lot. But no one understands.
If you ask for attention, all you'll get is the feeling that you annoy the others and that make you feel even more lonely. As hard as you try, the doors you are trying to open will stay close and you'll always lose some more hope with it.
I don't think there is a cure for loneliness, but there are plenty of ways to live with it.
I just have found one and it's to be with my camera.
When I have my camera in my hands, it's like nothing else mattered. It's just me and that moment, and the time flies.