The question asks for reasons why we like people, and the answer "All of the above" encompasses all the given options: physical attractiveness, similarity, and compliments. Physical attractiveness can be a factor in liking someone, as it is often associated with positive qualities. Similarity is another reason, as people tend to feel more comfortable and connected to those who share similar interests, values, or backgrounds. Compliments can also contribute to liking someone, as they make us feel appreciated and valued. Therefore, all of these factors can influence our liking towards individuals.