Irene had a bit of a break of character, and whispered "Cool...", before coming back to earth.

"Well, this is the Department of Mysteries, sir, and, as unspeakables, we are all very good at keeping things hidden...If you decide that the...situation at hand is definately not good, we could sweep it under the rug if we wanted to..."

Shifting her weight a bit, she continued her thought, "But, then again, if anyone found out after that, it would be...well, bad." Almost disregarding the idea, she smiled slightly, "I don't think anyone else heard them..."