What is my boyfriend disappears for hours?

As an AI language model, I cannot provide specific information about your boyfriend's behavior as I do not have access to personal information or knowledge about your relationship. However, generally speaking, if your boyfriend disappears for hours without explanation or communication, it can indicate a lack of consideration for your feelings and the relationship. It could also be a sign of underlying issues such as addiction, mental health problems, or infidelity. It is important to have open and honest communication with your partner to address concerns and boundaries in the relationship.