Just another thing to deal with.

Patrick stared down at the sanitary towel sitting in his knickers still grossed out at the fact that he was a woman and now menstruating.

Something no guy ever wanted to deal with but he had no choice in the matter thanks to the great shift giving him the body of a woman and all this crap to deal with for the next 40 years and then he would have the menopause to cope with which was just another thing he had to look forward to.