Frisk's faintly dawning hope when Sans's speaks is quickly dashed, and they flinch and look down. Tears start to blur their vision again, and they shake their head hard enough to set their hair flapping about.

"I-it's not me! I don't want to do it over again, I want to stay! But it...s-something else RESETS it all. I try so hard to hold on, t-to keep us there, but..."

Fat, hot tears are rolling down their cheeks, and the sobs start in earnest. There's no possible way Sans will ever believe them, but they have to try! "B-but I can't! I'm trying, I'm trying so hard but I don't know what to do! I don't know what I'm doing wrong!"