Based on some of Shoshannah's comments from VegasCon 2022, which I saw in [this thread].
Specifically, she mentioned wanting Cas to know sign language and suggested this alteration to the dialogue in the scene where Eileen and Cas see each other again in 15x07 after she came back.
ID: Two digital drawings showing Cas and Eileen respectively. They are signing to each other with speech bubbles showing the dialogue "You got better." for Cas and "I took a bath." for Eileen. Cas is holding his right hand up to his face, with thumb, index and middle fingers extended and moves his hand to the side while closing his fist so that only thumb is still extended. Eileen is holding both hands in front of her chest in loose fists, with thumbs extended. She is moving both hands down and then back up. End ID.
when you think that sam and eileen just got drunk to blow off steam after her time in hell, but it turns out one of the things eileen missed most about being human was margaritas so sam made it priority #1 to make sure she had some once she was resurrected 😭 (x)