There's a number of reasons for that not just men that put on makeup for nights out with "friends".

Crohn’s disease in the colon (large intestine) or rectum is more likely to cause blood in or on the stool. You can also develop blood in your stool if you have an anal fissure or a hemorrhoid. Anal fissures are small painful tears or sores in the lining of the anus.

The question is also what do you do if it turns up there's blood especially in socialized healthcare countries.