"Nyota," was all Spock said in greeting before following her inside. He felt guilt rise into the pit of his stomach; it was clear that she'd been worried and that was the last thing he'd wanted to do. After an awkward moment of standing, unsure whether he wanted to simply reach out to her or take a seat, he sat on her couch. Giving her a lukewarm smile, he met her eyes. "How are you?"