But, yeah

...

but, but I mean, it is quite a strong effect, to be honest.

I get quite grumpy, uh, before I had my, my first coffee.

So, uh, I have had coffee today, so it's, it's, it's fine.

But, uh, I, I'm really longing for the first coffee, so it's definitely a drug.

To understand this, we must understand a few things.

What, what are they?