Respuesta :

Answer: because it  2 compares things

Explanation:

At the core of this metaphor is the concept of 'cold-heartedness'. A person who is cold-hearted is considered to be mean and uncaring.

Explanation:

It means that you are just boring? Its a metaphore for the same reason why people say "its raining cats or dogs" or "he/she/they  was/were a fish out of water". Its just a way of trying to say something without actually saying it.