The context of the following conversation is Taylor doesn't particularly enjoy the only cereal left in their cabinet. Taylor pours a lot of sugar on the cereal.:
Taylor says Have you eaten yet?.
The friend responds Yeah I had the last of the awful cereal we had left in the cupboard..
Taylor responds The Bran-flakes? I hate that stuff to, how do you eat it?.
The friend responds Honestly, I pour a lot of sugar on them..
Taylor responds Ah that explains where all the sugar has gone then..
The friend responds Haha, yeah sorry about that..