I would first be really tensed up for the first hour, I would be thinking multiple questions like, "what if I never get out?", "How will I survive?". But then, I would slowly calm down and think on the bright side. I would be sure that I would be getting out of the traffic jam. In the meantime, I would listen to the radio and stream some music to kill time.
Avoid aggressive driving and weaving from lane to lane.
Keep a safe distance, at least three seconds, between you and the vehicle ahead of you. This will help you avoid frequent braking and rear end collisions.