Oh man, that is cute. She looks adorable 
But I hear you on the attitude thing. I spent quite a while arguing with my just-11-yr.old yesterday to get him to come along on a short bike trip and he was being SOOO miserable - and once we were out there he was just a dream to have along, chatting and joking and being silly for more than 2 hours.
I wish you lots of nice trips on the tandem!
Winter riding is much less about badassery and much more about bundle-uppery. - malkin
1995 Kona Cinder Cone commuterFrankenbike/Selle Italia SLR Lady Gel Flow
2008 white Nakamura Summit Custom mtb/Terry Falcon X
2000 Schwinn Fastback Comp road bike/Specialized Jett