Fly back and walk around -- to look normal, Sasuke reminded himself. That meant that once they'd returned he'd need to head home and stumble in and out of shower as he often did after long missions. That would at least be convincing, and as for afterward --

"What kind of mood should I be in when we get back?" They'd had training sessions that ended with Sasuke exultant, delighted with a new technique, and they'd had sessions that ended with Sasuke sulking his way back home, thoroughly beaten and with an incomplete jutsu to struggle through on his own.