How To Write A Goodbye Letter To A Best Friend . I would have never said hello to you many years ago if i knew that saying goodbye would be so traumatic. For instance, you can talk about your friend’s loving, caring and helpful character that helped forge your friendship even further. Sample Of Farewell Letter To A Friend farewell letter to work friend from lbartman.com A farewell is a formal way of saying goodbye to someone. Though you all have my contact details but i am still adding them once again: Some of you may have come during our fifth grade awkward days and some might have appeared during my last year of high school.