Eh, well, if you really have experience taking care of kids, you know it's not uncommon for them to get crushes on older people, especially teacher/mentor figures. So his denseness is due to his inexperience, not his sound mind or pure heart.Exactly, i dunno why people think he's dense as if he has experience taking care of kids, who of sound mind and not evil will ever think that a kid sees u in a romantic way?