He had expected to be shoved away. When that didn't happen, he made soft little noise that was all need and gratitude. He wasn't really thinking about this. Just acting on impulse, doing what he badly wanted to do. When he felt Itachi lean into it he braced his hand on the back of the couch and deepened the kiss, tasting and capturing the other's mouth. Itachi could probably feel the deep scars where his own lip had torn under the rock, and healed rough just like the rest of him.