Just a Day in My Life

A question for the women

This is a research question for a new story that I’m working on. So please indulge me, if I’m not being too offensive.

When you notice another woman, particularly a woman who might be a romantic rival or someone who might somehow threaten your steady relationship with your partner of choice, what physical traits about her do you notice? What about her would make you say, “What on earth does he see in her?”