99.9 percent

I bumped into an acquaintance of mine today when getting ready to go to class...

Somewhere in our conversation, I said something I always felt, "99% of the time I have no idea what I am talking about."

My friend said, "At least that is higher than most other people."

In light of such comment, I realized that I might have provided an over-estimation and, as a result, I changed my mind, "Then, 99.9 percent of the time, I have no understanding what the hell I am talking about."

The things I am sure about all surround ordinary bodily functions (e.g., sleep, wake up, peep, poop 8-O lol)

lol