I am easy to see, but no one likes looking at me. Without me, there would be no you. I can make you complain, or make you happy. But you almost always take me for granted. What am I?
Answer: The sun.
This riddle appears in the following downloadable PDF files:
Can you solve one of the most famous logic puzzle ever?
Memory Matching game for kids, adults and seniors.
Connect the matching tiles and pop them all.