In college, my husband (then husband wannabe) took me to meet his family. At his parents house, we went for a ride in his dad's big 4-wheeler and took a long walk through a field where the two of them shot a bag full of quail for dinner.
Sin: Eating unsustainable chocolate
We're not big on chocolate but do enjoy beef. Cattle reproduce quickly so they're sustainable and eating them is something we can feel good about.