One mystery I cannot figure out is why some people come into our lives and why some people go. Others become a part of you. Some friendships feel like they'll last forever and others end far too soon. Not every friendship is meant to last forever. What does last forever is the pain when that person is gone.
Harrison: No! Do not tell me. I do not want to know anything about the future you experienced. Nothing. Barry: Dr. Wells... Harrison: Barry, time is an extremely fragile construct. Any deviation, no matter how small, could result in a cataclysm.