Sharon, usually so observant, doesn't see it either; she's too busy looking back at Bucky.

A tiny smile pulls at the corner of her lips. "Okay."

She takes a breath and blinks like she's coming awake, and turns a brighter smile on T'Challa. "Then yes, I accept. Thank you for the invitation."

She glances around, taking in the greenery, the wide open sky, the lake, the rolling fields. "I can honestly say this is the first time in weeks that I felt like I could relax. It's beautiful here."