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I know this was not the intention, but this is a hilariously funny sentence if you think about "search quality" boloney we've been given lately.
I have been known to do some weird and wonderful stuff in meta description tags...
And no, I ain't tellin'
AdWords copywriting is a good skill to cultivate for a variety of reasons.
Is having a "you focus" description better than a "me focus" description? For instance, is it better to say, "You will find a lovely widget that you will cherish forever..." than it is to say,
"Our widgets are more lovely than our competitors..."
if US that implies a specific company
Regarding the two sets of keyword phrases in a double size meta description, I think that would look a bit unnatural and neglects to focus on the most important function of a meta tag, which is to promote a clickthrough.
I think that part of your dilemma is trying to figure out what you are trying to rank for.