Final answer:
The Aztecs believed that the dead appreciated people who were sad about their passing because it showed respect for the sacrifices made.
Step-by-step explanation:
The Aztecs believed that the dead thought highly of people who were sad about their passing. In the Aztec religion, human sacrifice was a vital part of maintaining the world. The gods themselves sacrificed to create the world, and humans were created to serve and feed the gods through human sacrifice. The Aztecs believed that the dead would appreciate those who mourned them because it showed respect for the sacrifices made.