Lu Ann, you dummy! Margo can tell you're baiting her! She knows you want her to throw a hissyfit so you'll have to come to Paul's defense! Now instead she's going to play it cool and congratulate you, causing you question whether you liked Paul so much just because Margo didn't. Which is all well and good but I WAS LOOKING FORWARD TO THE HISSYFIT, and I'm afraid you ruined it.
P.S. None of this upstages the fact that Paul is "a lovely guy."