Next to music and death, food is the largest way through which people connect with each other. It gives insight into a culture's traditions and history. This is one of the largest reasons why food is so important to me, and why it's so completely personal. Food is the equivalent of total trust; it passes from the exterior into the interior- your body. Every culture is unique within itself and this theory applies to food as well. I believe that no food is disgusting enough to not at least try once and judging it before trying it is unacceptable.
I came across this video web series called "Tasted" and it's about well, food. This particular video that I've linked is one of their sub-series, "Why Would You Eat That?" and showing is an episode about Shirako, or more crudely put, fish semen. Check it out: