Answer:
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
I'm simple for a few people, but hard for them to hear. I live inside of secrets and bring people's worst fears. What am I?
What has 13 hearts but no other organs?
I am a small paradise surrounded by dryness and heat. What am I?
I hold two people together but touch only one.
A little house full of meat, no door to go in and eat.