There was a quiet moment where he was clearly shocked by her confession. He had not expected it. Truthfully, while Andras had hoped she cared for him he understood her story and wouldn't pressure her to anything. A voice said she was just being polite or swept up in the moment. Another voice shout with glee.
That was the voice that won.
Andras moved his hands from Feyre's face to her waist, easily grabbing her and picking her up. She weighed nothing. He beamed up at his beautiful angel with joy. "It sounds perfect."