The question takes him aback though it shouldn't surprise him. It wouldn't, if he weren't already trapped in his own thoughts.

"Uh..." His brow furrows and he pulls back from her with a sigh, moving to pull unzip his sweater and pull off his shirt instead of tripping over his words. There's no real way to explain the deep scars now mottling his chest in the distinct shape of his usual skull insignia. For some reason, he feels ashamed of his body's new condition though it hadn't bothered him until this exact moment. He doesn't think she'll reject him based on how he looks - he's already ugly in many ways - it just seems like something she'd frown on or blame him for allowing to happen. Frank drops his clothing carelessly and rolls his shoulders back so she can get a good look.