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She's seemed fine so far. For the time being, at least, probably not even aware of it, or least not the extent of the hype surrounding her!
Regardless of the result, it's been a phenomenal run. What I'm really interested in is how Emma, and Leylah for that matter, build on this for the future. For example, they'll both be likely seeded for the next Slam, and there's a big tournament in Indian Wells next month that similarly affords an opportunity to both to make a statement that this wasn't a fluke.