Don't worry. Insert a Catheter doesn't hurt, the patient only feel some discomfort. Well, although sometimes can hurt, it's no suppose to... But that depends of the professional and the right technique
Oh some of the way previous comments, when it was just at the beginning, someone put a link to an original english translation for the whole season1 but it was a censored version. Still liked it tho, but anyway yea... i think you'll be able to find it if you search it through the comments.
The guy in the chair. For the first time I don't feel bad ┑( ̄Д  ̄)┍
PFFT