How do I???

How do you let go of someone, you once held so close
So close to your heart, how do you just stand there and watch him as he goes
How do you just stand there and watch him walk away
Watch him walk away, when all you want to do is make him stop and stay

How do you stand there and pretend that it's okay
Like it doesn’t matter whether he were to go or stay
How do you look at him leave, with a broken heart
And with every step he takes further, you wish like things would just go back to the start

How do you put on a fake smile
And watch him leave, and your heart is breaking inside, all the while
How do you hold on and not break down to tears
Watching him leave with no return, just reassures your fears

Are you really leaving or is it all in my head
Because if you really are, I'd rather be dead
Not in a million years would I be able to bear such pain
No longer would there be sun in my life, it'll be filled with darkness and rain

I'd never be able to breathe, without you
Because you are the air I breathe, and my soul too
I'd never be able to smile again
Because you're the source of my joy, my true love and friend

Without you, my heart will stop beating
Without you, my lungs will stop breathing
Without you, my eyes will never stop weeping
Without you, my eyes will stop me from ever sleeping

Would it be selfish if I asked you to always stay by my side
Always close to me, so that like a helpless child, in your arms I'd hide
Would it be selfish of me if I told you that you're all I want and need
And threatened that you'd be the reason for my death if you were to leave, because I wouldn't be able to breathe

What if I stopped you from leaving and going away
What if I told you all that my heart had to say
What if I confronted you, and told you not to go
What if I opened up my heart, and told you things you didn't know

Would you stay or would you just carry on
Would you just leave and before I know it, be gone
Because if you are, I'd rather you stab me in my heart, kill me please
At least that way, you'd put all my pain to ease
And my soul can go there, where you are
That way, from you, I'd never be far