You know that feeling when you've just been told you've won the lottery? Well neither do I but I came pretty close to it recently.
Agent, Eve WhiteAgent for commercial and literary fiction and non-fiction, children's fiction (home 15%, overseas 20%). No submissions by email. No reading fee. Will suggest revision where appropriate. See website for up-to-date submission requirements., had just uttered these magic words, Congratulations! We only invite a few writers from our slush pile of 10,000 to meet us for a chat and you're one of them, and I was trying to think of some reply that didn't make me come across as either a) gushing b) desperate or c) unhinged.
In the end, I plumped for plain old thank you, which seemed to work.