[She watches him with a strange look like understanding,though she can't read his mind and knows nothing of his situation. But she understands that sort of look all too well.

She crosses the space between them in the span of a couple heartbeats, quick and silent, and reaches out to place a hand (sleeve?) against his arm, just liking the physical contact to be comforting, without drawing attention to the fact that she was comforting him for that expression. Her smile is warm, her voice bright]

I'll understand! But, if you understand, then call me just 'Sanzang'! It's always 'Lady Sanzang,' or my title. But let's be friends, okay? And friends definitely call each other by name!

[She accompanies this with a wag of her sleeve of her free hand reminiscent of a wagging finger of a lecture, like, somehow, Wei Wuxian might not be aware that this was a thing friends do and she was here to teach him. Playfully, of course, if her encouraging grin was anything to go by though.]