My Method of Staying Alive Through Time Travel

I'm living well, but you tell me I'm going to die soon? ! Liu Fan inexplicably entered the countdown to his life, At the same time, he also gained the ability to travel through different parallel time and space while sleeping at night. Experiencing another one's own events in parallel time and space and completing it will extend one's own life, until one can find the cause and truth of everything in countless time and space, and completely save oneself. And when he traveled through time and space, he was dumbfounded. What! In this world, I am a rich second generation! What! In this world, I am a licking dog! What! I am the villain of this world! Liu Fan himself never thought that he would have so many identities in different parallel time and space, but these are not important right now. He just wants to stay alive!