Ellana blinks rapidly a couple times, as if needing to clear her head to be sure she's heard him right.

"Serious? You mean a relationship?" Her expression shifts to a huge grin. "Oh, Cyril, that sounds wonderful! And with Sam, too. See, I knew you liked him!" And she's hard pressed to pick any other man at Skyhold she'd trust with Cyril more. Trust in the sense of easing him into a relationship, that is.