I pretend like I'm alright I run fevers through the night And she makes me sweat like hell Cause I swear she's bad for my health Doctor, Doctor, you've got to help me out She's right behind you, hurry turn around Oh my mistake, I guess I was just dreaming So back to the matter at hand But like I said, she's in my head She's in my closet, she's under my bed It's the lovesick crush from hell And I swear she's bad for my health Bad for my health, bad for my health And I swear she's bad for my health Bad for my health, bad for my health And I swear she's bad for my my Na na na na na na hey oh Na na na na na na hey oh oh oh Na na na na na na hey oh Na na na na na na hey oh oh oh I see things crawling on my walls I need more than tylonal And my ego flew so tall Flying high but now it falls I swear the room is spinning I'm beginning to get sick I told you I'm in trouble and my double vision's thick Can you turn on a fan cause it's hotter than hell And I swear she's bad for my health Bad for my health, bad for my health And I swear she's bad for my health Bad for my health, bad for my health And I swear she's bad for my my Na na na na na na hey oh Na na na na na na hey oh oh oh Na na na na na na hey oh Na na na na na na hey oh oh oh Bad for my health, bad for my health And I swear she's bad for my health Bad for my health, bad for my health And I swear she's bad for my my Na na na na na na hey oh Na na na na na na hey oh oh oh Na na na na na na hey oh Na na na na na na hey oh oh oh (Whistling)