What is my boyfriend almost cheated on me?

As an AI language model, I don't have access to information about your personal life, so I cannot give you any specific information about your boyfriend almost cheating on you. However, in general, cheating is a breach of trust and can cause significant emotional harm to the person who has been cheated on. It's important to have open and honest communication with your partner about your feelings and boundaries in a relationship to avoid such situations. If you have any concerns or questions about your relationship, it may be beneficial to talk to a trusted friend, family member, or professional counselor for support and guidance.