Your'e Fading

I'm falling in love and you're fading fast.
A broken heart is scared of being loved at last.
He makes me laugh even when I've cried.
And he tells me it will be alright, me hurt will soon subside.
But how do i know if he is right or wrong?
What should i do, i can't just move on.
He is my heart, my light during night.
He is the voice inside my head telling me everything is going to be alright.