Apeirophobia?

"Apeirophobia is a fear of infinity or eternity." - Wikipedia. I remember I was only an elementary school student at that time. I went to Yogyakarta with my big family, and it felt like a long journey. It was on the traffic roundabout when suddenly I felt a bizzare thing. I didn't know exactly why, I didn't know exactly how, but it just happened to me. I was looking at my car's window at that time. Thinking about one question I never thought : When will the world end? I remember the sweat running through my face. My chest was crowded, it was like having an asthma. I felt so dizzy because I found myself arguing in my own brain. I keep on thinking and thinking. I was scared, I was terrified, I was afraid, and I didn't know exactly why. When will the world end? When will everything is going to end? Will it recur over and over and it will never end? Oh my God. Even right now, I remember how it felt in that time. I even cried and ask my parent...