Fainting fits

[Borchester]

According to the NHS, fainting fits are caused by ...

standing up too quickly – this could be a sign of low blood pressure. not eating or drinking enough. being too hot. being very upset, angry or in severe pain.

In short, everything except pissing in the sink.

I have tutored a number of medical students and they have invariably been good hearted and as thick as two short planks