Ukulele Rock Opera (Song 7) lyrics

I'd donate you my liver
If I had one that I want to give
And I'd give you all my bones and all my teeth

But the one thing I could never give
Is the one thing you can never sieve
As blood is thicker than water apparently

I know this is a weird thing to be bringing up right now
I know it may seem like an opportunity gone
But the one thing you should never mix
'Less you should reach the river sticks
It's morality and music in a song
It's morality and music in a song