B. supplements are not something needed in a healthy diet.
I believe that curly ears are dominant because all the kittens had curly ears.
Seek help from medical staff present such as a resident nurse especially if the resident appears to be trying to hurt him or herself or expresses having suicidal ideations. Stay with the resident until help arrives. Also, it is good to try to get the resident to talk as much as possible to offer support, comfort and to diffuse the situation.