What is a friend? You! :-) A friend is someone who you care about who cares about you. A friend is someone who will sometimes do things they don’t want to do, because they know it means a lot to you. A friend feels sad when you are sad and happy when you are happy. A friend wants to see you succeed in everything. A friend is considerate, helpful and encouraging. A friend is someone you enjoy spending time with. (Do I sound like an ESL teacher or what with my short simple sentences).