LOL I was wondering that as well But she May be healing the wounded. Healing is not being Useless
Dif of Usless for all who may not understand

Not fulfilling or not expected to achieve the intended purpose or desired outcome...
Shes a Healer at heart and a healer does what they do is heal !! When her time to shine comes she will shine untill then jump off her Vagina and hop on Naruto's lol the Cartoon is called "Naruto" thus implying its going to mainly focus on him (=