Answer:
I can be simple or I can be complex. I can be found in this riddle or in everyday life. I can be shapes or even colors.
I am constantly overlooked by everyone but everyone has me. What am I?
What has a head and a tail but no body?
When young I am sweet in the sun. When middle-aged I make you gay. When old I am valued more than ever.
I have been the beginning of ideas for all time yet I am just one simple small object the things that you can use me for can be frustrating and also I can be pretty. I have some of the most valuable thing in the world on me yet almost everyone owns me.
A Chinese, Indian and a Swiss were going to a party. Who is most likely to bring a plus one?