I've found that a lot of preferences in life can be explained by what you participated in—or what happened to you—as a kid. There are a few exceptions — I don't know many adults that are cool with boiled hotdogs.
But simple preferences, like food, and more complicated ones, like ideologies, were being shaped well before we ever realized. World views are a funny thing.
In the end we'll all only have one perspective. No matter how hard we try to view things through another person's lens, we just aren't them.
As a kid I sometimes ate cold leftover pizza for breakfast. It never tasted bad to me. Some people are grossed out by that. I also grew up being the youngest of 3 boys. I felt singled-out and frequently blamed for things that may or may not have been my fault. I had to advocate for myself all the time. I became a social worker. Coincidence? I'm not sure.
The point is we've all had things from childhood and adolescence that followed us into adulthood, sometimes without our knowledge.
"Know thy self". It isn't just some random ability. More than likely there exists a root to many things that make you, you. And it's usually worth taking a look under the hood.
I always thought it was important to be self aware. We're all full of insecurities, angst, doubt, confusion, and a bunch of other plagues that are sometimes hard to explain. And sometimes not.
Places of bitterness, anger, or resentment might date back to childhood relationships. Habits that you've picked up might just be defense mechanisms that were embedded long ago. None of us really know until we're willing to reflect on it and address it.
And someday you might wake up and take your first bite of cold pizza and realize that it was actually your 8 year old self that set those wheels in motion a long time ago.