Bad boys don’t exactly scream “great father figure.” But don’t tell that to an ovulating woman. According to a study from The University of Texas San Antonio, ovulating women are more likely to rate “sexy, rebellious” men as dad material.

Attraction can be especially powerful when you’re at your most fertile point. But let’s not underestimate the importance of non-beauty traits like reliability, honesty and commitment, eh?

MORE: The Beauty Benefits of Ovulation