Writing a farewell letter to cousin becomes very ethical especially when he or she has been one of the most intimate people in your life. Through this letter you can express your feelings for your cousin and show how much respect and care you have for him or her.
In the first paragraph of this farewell letter, you should mention the basic reason that is taking you away from your cousin. It can be anything like studying in a college which is in another city or state.
In the following paragraph, you should include your love for your cousin and also express that going away from him or her is not easy for you.
In the third paragraph, you should also pay gratitude to him for being supportive to you over many years. Also wish your cousin success in his or her future endeavours.