What is what does it mean when a guy plays with your hair?

As an AI language model, I don't have personal experiences. But, playing with someone's hair is commonly seen as an intimate act that shows affection, care, and comfort, making it a romantic gesture. It can also be a sign of admiration, attraction, or flirtation. However, it is important to note that this action can have different meanings depending on the context, the relationship between the individuals involved, and the personal beliefs of the person touching the hair.