There's a sense of aliveness that comes from connection shared experience. And you see it in every place. You see it when ball players jump up and down gather at home plate hugging and it's not just because they're winning it's that shared moment that feeling of - we enter the world alone we leave alone.

But there is a discomfort that surrounds grief. It makes even the most well-intentioned people unsure of what to say. And so many of the freshly bereaved end up feeling even more alone.

I hope this will help new moms not feel alone or desperate and that there is no shame in their feelings. PPD is out of their control but the treatment and healing process is not.

You'd think I'd have been happiest in my life playing music in front of 50 000 people at Gillette Stadium. But let me tell you it's an odd feeling to feel alone in the spotlight.

It's an amazing feeling to go into a studio and really be alone.

U2 is an original species... there are colours and feelings and emotional terrain that we occupy that is ours and ours alone.

And then when all around grows dark when we feel utterly alone when all men right and left pass us by and know us not a forgotten feeling rises in the breast.

Then stirs the feeling infinite so felt In solitude where we are least alone.

Jealousy is no more than feeling alone against smiling enemies.

You are never so alone as when you are ill on stage. The most nightmarish feeling in the world is suddenly to feel like throwing up in front of four thousand people.