Criticising is easier than writing

So here I am, unable to look at my own first draft any more because I am sick of the sight of it, and a writer friend has asked me to look at something of hers. What joy! How easy it is to see when some little thing isn't working in someone else's text. How easy it is to write something like... I like this idea but I think you could phrase it more elegantly. Vividness is an ugly word.