"I all but insisted on John reading mine because I couldn't be bothered spending the rest however-long-it'll-be second-guessing whether he did it or not regardless," Astarion says. "Is it important to you that he not read it?"
Other options:
no subject
"I all but insisted on John reading mine because I couldn't be bothered spending the rest however-long-it'll-be second-guessing whether he did it or not regardless," Astarion says. "Is it important to you that he not read it?"