[Sai's just going to give Sasuke a look like seriously....that's something he'd expect Naruto to say, not him. But he lets the topic drop just as easily. As long as Sasuke stays alive, it's not of particular concern to him how much of his chakra he exhausts or what damage he does to himself in the process.
no subject
He simply shrugs at the question, though.]
Should I be? It will stop eventually.