Weirdest Dream Ever

Now this is weird. I've had many weird dreams but this one tops it all. Not that its anything especially unusual or significant about it; but it was more like: bizarre, as if the dream itself was trying to tell me something. Before I get started there are a few things I need to clarify to set the scene right:

I stay in a 2 bedroom flat with my sister, sharing a bathroom and a kitchen+living room. We buy most of the grocerries together and we share the cost. Fact: I eat most of the food - me (3/4 of total food) + sister (1/4 of total food) = total grocerries. Here is what I dreamt:

One night, I got really hungry, so I went into kitchen and grabbed whatever food I could find, cooked them, and ate it. While I was chomping away happily watching TV, my sister came back. She walked into the kitchen and was shocked! She screamed, "Chung Fui! You ate all the food!" I was stunned and froze on the spot. As I stare at her, she started breaking down in tears, pulling her hair and shaking her head wildly, saying "I can't believe you ate everything!" I just sat there, din't know how to react, after all, all I did was cooked some food! Next thing I know, she was storming around the kitchen like a crazy mad woman, opening all the closets and drawers searching for food. It doesn't sound like much, but in my dreams, it was rather dramatic and realistic. She cried, "Food... Food... Gone... All GONE!" At that point, I think she has gone insane. Then, I woke up, my body covered in cold sweat... And even guilt too.

To most of you, this must have been a really pointless story. I tend to think, dreams happen for a certain reason: perhaps a recollection of the past? Perhaps a more visual representation of our brain and emotions? Perhaps even a premonition?

I am disturbed. Right, maybe I should start going to the gym more often.