Tony was too far gone to be thinking about anything lustful when it came to Pepper let alone anyone right now. He hadn't been this sick in years, and he would have only asked that of her if he was truly desperate. No one but her knew that Tony Stark liked his belly to be rubbed when he was sick.
He did as he was told, not moving when she'd lain the washcloth on his forehead. God, that little thing made him feel a little better with its damp coolness, and if he'd had the strength, he would have crawled into a cold shower right now.
At first, when her fingers came into contact with his stomach, it flinched, just because it was so sore from so much heaving, but he soon relaxed into her touch and the bed, one leg curling closer to his body as he sighed with relief. It felt really good and soothing and he nodded his head yes at her question.