He had a split second of absolute disorientation as his head shot up and he was suddenly staring into his own furious expression. It was likely for the best that neither of them attacked immediately, given that Gaara's next move was to shoot upright and reach for her shoulder - Kushina's, because surely no one else, having obtained his body, would return to Konoha so fast? - and demand,

"What happened in Suna?"

He was foiled in actually making contact with his body, since a thin whip of sand slapped his hand away before he got close. It couldn't stop him from glaring up at her with just as much focus.