a rat that has rankle face can be called a hostckan [host-can]
The official answer should be no, its not hygenic, but as an owner of three lovely rats, I let my rats run all over me, including my face and head. I don't think there is a problem with it. I am...
About 3 for a full-grown retard. If you are a small child, 10 is best. Hope this helps!
7 or 8
dalia is actually a flower