system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Why some people like spicy food?


assistant
The taste preferences are related to several factors.
1) the influence from the parents, especially childhood habits.
2) the geographical location. 
3) the age. Older people like mild food.

Spicy is a test preference. Sichuan food and Mexican food are famous for their spicy taste. Kids do not like spicy food before they turn to age 10. People become less preferred to spicy food when the become older.