"It does taste like skin. But warm. It's very nice." She was murmuring the words against his skin, trying not to get too distracted by how his skin smelled.
"Exactly," Su murmured, nodding her head in a way that made her nose brush over his skin. "Three data points at the very least to make a vague correlation, possibly more if we want the conclusion to be well-supported." She paused to consider something for a moment, and then said, "Can you roll over under the blanket without getting cold, or no?"