Sometimes I think I'm quite foolish

While having a smoke break with my colleagues, the topic of university came up.
One person mentioned they received a full scholarship for all four years of college, so I just said, "Oh, wow."
Then they asked, "Why the 'oh'?" and added, "Don't people usually get full scholarships for four years?" I thought to myself, "This guy really loves hearing himself talk,"
but it turns out I was wrong.
There were four of us; one person caught on immediately (including me), but the other two didn't catch on and kept saying, "Wow, wow" to the four-year scholarship thing lol. I'm just glad I wasn't the only fool there, there was one more person like me ㅋㅋㅋㅋㅋㅋ