Many people think that a sense of boundaries is about learning to get angry or learning to retort; in fact, the essence of a sense of boundaries is not to make others hurt, but to let others know that hurting you will have a cost. Flattering and repeatedly saying "It's okay" often imply silently allowing others to cross your bottom line; truly mature people neither suppress themselves nor retaliate emotionally, but clearly express their feelings, principles, and consequences. Remember one thing: an apology is the other person's self-healing, forgiveness is your choice; your kindness can exist, but it must come with boundaries.