Read the following context and answer the question.
Context: Just doing the laundry and searching for a suitcase is enough to make me say " forget it ; we 're staying home ! ! " I own two giant suitcases - one is still filled with stuff from our July trip that has yet to be unpacked ( ! ! ) . I have no idea where the other one is . Probably stuffed somewhere , filled with the remains of another trip .
Question: Why do the suitcases still have clothes in them ?
Answer:


The people were too lazy to unpack the clothes after the last trip .