[That's the standard reaction and IT KINDA HURTS inside. But he shrugs it off like a champ. As for how he'll answer that question, well, he'd go for the fun and flirty option for now.]

Weeell... I'm sure that I can show you if we take a trip back to my apartment. Though I don't think you could handle a night of heroics with me.

[Technically, he's always wearing the mask. The mask of smiles wasn't entirely faked, but it helped with him coping with dangerous situations.]