Oh boy. I remember my friends and I would crowd into the bathroom, putting on makeup. 3 three of us, 2 standing up at the sink mirror, and another one sitting on the edge of the tub, or the toilet. This house was built in the 30's, so I can imagine this bathroom in question, was even worse than mine.
To put a delicate face on a rather crude event. I think a man needs a bit more room to apply his reproductive wand than a woman needs to apply her mascara wand. Especially when there is a struggle going on. Would you and your friends been able to do your toilet while raising a ruckus? I doubt it.