[Eyes land on the book, voracious for any seeming element of information his brother is willing to give him — and, more than that, with the knowledge and weight that it's being shared willingly. He notices the seal, as any decent shinobi would do (paranoia is trained and learned well), wondering further at the contents within. Itachi clarifies, and he arches a brow. His brother's meticulousness is not a surprise. But a year's worth of missions is a hefty offering.
Sasuke considers his options, then moves his right hand away from the teacup and extends it on the table between them.]
It'll be easier if you take it from me like this.
[One-handed, he could certainly put a kunai in his mouth or use his teeth, but the risk of messiness is higher. It'll be more efficient done by Itachi.]
can't believe you're giving him HOMEWORK
Sasuke considers his options, then moves his right hand away from the teacup and extends it on the table between them.]
It'll be easier if you take it from me like this.
[One-handed, he could certainly put a kunai in his mouth or use his teeth, but the risk of messiness is higher. It'll be more efficient done by Itachi.]