Even I clean out my cupboards more often than that!
That reminds me of one of my mom's friends, who could smell something funny in her daughter's room. She thought they had mice and one had died, or that there was something wrong with the plumbing. Then one day she opened a cupboard and found a half-eaten yoghurt.
'Oh, that's where I put that!' her daughter said. 'I didn't want the rest of it, so I hid it'.
'When was this?', her mom asked.
'Oh, about three years ago', her daughter replied...