i have little cat and he lives with me he his very clever a clever cat is he one day i went shopping and i had lost my key i looked everywhere but my key i couldnt see i thought about my cat being all alone i was stuck outside stood there on my own but my cat was clever and noticed my spare key he opened up the letterbox and handed it to me next time i go out i shall leave my key next door then i can still get in and lose my key no more