This occurs around the same time as chapter 12 of Blood Poison.
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She didn't set up her tent tonight. Zevran tied a rope from his tent to a peg, water smacking the back of his head through the trees. He stood in time to watch her crawl into the tent that Leliana and Wynne were sharing instead.
Sten shared first watch with him, which made it easy to pass the hours on dark wooded paths without talking. Sten woke Neria and Leliana for second watch and Zevran went into his own tent before they emerged. He forced himself to sleep quickly to smother the tight feeling that was coiled in his chest.
He awoke from a deep sleep to movement nearby and did not open his eyes. The sounds: buckles clicking, cloth sliding. Neria fit herself into his bedroll, nudging under his arm, her skin cool and her hair damp from the rain. Her arm went about his chest and her head against his neck.
"You do not like to sleep with me." He allowed himself to mutter this resentfully, not turning fully toward her, not opening his eyes.
She didn't answer, but instead she smoothed a kiss over his collarbone, took his head in her hands, coaxed his face to turn toward her. She kissed his forehead, ran her lips over his brows, his eyelids. Her fingers stroked the back of his neck and he could feel her start to tremble.
He turned and wound his arm and leg over her to press her tightly against him. When their lips met he refused to gasp, refused to open his eyes to see what might be in hers. When their kiss broke he rested his chin against her hair, rested her head against his shoulder, and tugged his blanket better over her back. Her fingers were making small lines down his back when sleep found him again.