She leans into that hand, putting her own over it, closing her eyes. "I'm glad," she answers.

She hopes she'll be okay. The thought of leaving was killing her before, when she was going to leave without seeing him again. Now she knows she'll be back, that this is temporary, but it still hurts, so much. Sherlock will be staying in London, so she'll be alone in the brownstone and unable to talk to anyone about what's going on.