17．Four types of friends you need in your life
Do you know that people will die early if they have no friends during their lifetime？The survey shows if you want to live longer and more happily，you need to have some friends who can share your sadness and happiness or can be helpful when you are in trouble．
The following four types of friends are just what you need to keep the doctor away．
1．A Loyal Best Friend
Everyone needs a friend who will support you in different situations．This kind of friend knows all of your deepest and darkest secrets，but still loves you all the same．
2．A Friendly Neighbor
These days，a lot of people don't know their own neighbors．It's a shame，because some neighbors can be the most helpful people．Ifyou forget to lock the front door when you are on holiday，you can call your neighbors to lock it for you．So it's wonderful to have nice and helpful neighbors．
3．A Workmate
You'll find it much easier to chat with someone than eating lunch alone every day．Your workmate doesn't have to be your best friend．If you two get along well with each other，you can always start going out with them outside of the office．
4．A Friend From a Different Culture
If everyone had a friend from a different culture，the world would be a much better place．Remember that don't be friends with someone just because they're from a different culture．Instead，keep your mind open，and if you meet someone from other places，try to learn about their customs，values，and traditions．
If you have such kinds of friends，you will surely live longer and more happily．
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