A Friend In Need Is a Friend Who Sees

Hello? My friend and victim alike. It's me again, the villian, Im ready to strike. Ha ha I'm just joking, I come in peace, or do I? It's nice seeing you again. I thought you had died. It was boring without you  left me all teathered. But you cant leave for long, we're best friends forever. Remember our secrets? You called them all lies. But it was fear of the truth that made you despise. Why are you scared of me? Im here to protect you. Think of the trials and hardships we've been through. I stood by your side and whispered the warnings. You could not ignore me or you'd die before morning. Hello? Are you there? Listen to me! Im talking! Please think of the team we could be. For I see the future, to help you be calm. I know what will happen, save you from harm. So why are you still pushing me away? I know! I just thought of a game we can play. I'll give you a riddle. Can you guess what is what? Are you having fun yet, or are you stuck in a rutt? I'm fear and I'm factual I tell truth and I lie. I'm dawn and Im dusk so guess... Who am I? You still seem confused so here is a clue. I'm everything you think and speak. I'm eternal, I am you.