I think the cruel truth is that we will always be alone. Even during the most intimate relatinship there will come a time that you realise that even though you connect so deeply, you always well be two different individuals and that there is nothing you can do to change that. You are always alone.
The feeling of being alone creates a hole inside of you that you are trying to fill with relationships and connections. But you will never be able to fill it up completely. It is like taking an asperine to cure your headache. The pain will go away for a while but the cause, the illness remains there, untreated and will grow only stronger. Therefore I think the only way to heal the pain of being alone is to accept the fact that you always will be alone and to learn to be content with just being on your own. If you can find happyness and contentment just on your own, from yourself, then all your relationships and connections will be a bonus on top of that instead of a desperate Need. It will help you to enjoy them even more because you are not dependent on them.
It is something I'm still learning to do. I'm right in the middle of leaning so hard on someone, crying for his attention, his love for me without which I seem not to be able to live. But that is such a false idea, it is not true, it is not true at all, I can live a fullfilled life without him and I will live an even more beautiful life if I could just step back and enjoy his attention when it is given and enjoy when it is not given...
it seems that the closer you are to a real connection, the deeper you feel that you are alone, the deeper the pain of being alone, the deeper the hole it leaves behind and the more desperate you long for connection ... and (I think) the farther away you are from actually connecting.
but the truth is ... the real truth is ... YOU ARE NEVER ALONE!
But to understand that to the fullest you have to accept the hole inside first.
(like going through the shadow of the valley of death to enter paradise, or something like that
)