Happy hormones all together! New enamel pins, from left to right: Testosterone, Insulin and Estrogen.

Because we are total nerds, Testosterone boasts a molecular model beard and Estrogen is sporting the molecular structure for estradiol, one of three types of estrogen made by humans. We especially love the beautiful form of the amino acid chain that comprises Insulin. Get in on this nerdy fashion action!

Late night encounters with a Viagra Erection Hardness Score test. 

For many of us, our feelings often surrender to our gonads and the hormones they produce.  Ovary prefers a variety of emotions.  As for Testicle...well, let's just say he likes things simpler.  But, whether you're controlled by Ovaries or Testicles, sometimes it's hard to explain how you're feeling without all that awkward talking.  Here at Guts HQ, Ovary and Testicle have designed these handy visual Mood Wheels so you can more easily share your innard feelings with your partner, friends, and family.  Download, print, and attach to your refrigerator! Ctrl-click (Mac) or right-click (PC) on the thumbnails below to download a high resolution JPG for printing. Ovary (1.7 MB) MoodWheel-OvaryTHUMB Testicle (1.8 MB) MoodWheel-TesticleTHUMB