How I've come to despise that little blue light with a loathing matched only by the battle of my bladder to hold on until that light turns green and my troubles drain away like... I'll let you choose the appropriate metaphor.
And talking of peeing and metaphors, the French have a wonderful one to describe pointlessness or futility. They say you might as well piss in a violin.
I know, it's good, isn't it? And considering my recurring blue light 'n' bladder problems, I think I'm gonna join the string section and stop whining.