I don't know why I don't know why

This is not to be confused with my previous thread: I don't know how I didn't know.

When the seagulls follow the trawler it is because they think sardines will be thrown into the sea.

@a-unique-nickname said
When the seagulls follow the trawler it is because they think sardines will be thrown into the sea.

I don't know why you don't know I already know why the seagulls do that ~ and I don't think you know why you don't. But even if you do, I thank you.