River's brow furrowed, and she shook her head. "Not a parent. Too young. Barely legal to guardian myself; is not logical to guardian you," she assured him. "Companion, but not in that sense. Friend. Mentor." River smiled to him. "But not adopted. Not my son." Her head tilted slightly as she played on that word slightly, a sly smile edging her lips before she skipped ahead of him a little, hurrying him along.
"Libraries have books, for reading. Ask with your eyes and fingers in their method of sorting, read what they have written in them, and knowledge is yours. Sometimes - often - needs correcting. Can borrow red pens," she promised him. "Plenty to spare. Cannot correct everything alone."