Yes it is a metaphor because he does not literally have a key to her heart. It is just figurative speaking.
In Guy de Maupassant's "The Necklace, " Madame Loisel and her husband have been invited to a fancy party at the Minister of Education's palace.
However, Mme. Loisel is not happy about this. She's got nothing to wear. So, the answer is that she doesn't have the right clothes to wear.
Nature is often called as man's best friend. Nature helps you all life long from the tine you were a sperm till your death. Nature helps you a very long time or just say, it keeps on helping.
Answer: It reminds me of India/Londan a little.
