Why Are There So Many Different Kinds of Animals?

The Magic of Realityを第3章まで読みました。76ページまで。

今日読んだところに
the phrase 'I was like' (meaning 'I said'), which would have been incomprehensible as recently as 20 years ago, is now commonplace.

と書かれていました。見覚えはありませんが、このような使い方がI was likeにはあるようです。