Aiden gurgled again, little body twitching under Crowley's touch. He squinted again, facial muscles twitching. And then after a second or two, he relaxed again, cheeks and tongue sucking at themselves instinctively. As Anna had said, he was really pretty content with anything right now. he didn't have preferences. Crowley touching Aiden was more for Crowley's benefit than Aiden's. And maybe Anna's.
She was watching the father, not the child. Her eyes were on Crowley's expression. She was pretty sure he was terrified. He would relax eventually. She wasn't sure if he'd want to be a father when he did, but it was at least worth a try. The bond between mother and child happened at conception, but the bond between father and child sometimes took much longer if it even happened at all. Anna had faith it would. She hadn't before, but Fergus reassured her. She believed Crowley wanted this because Fergus believed it.