I’m content with the thought that while I’m prepared, I’ll likely be one of the first to die. I have no combat experience, I am not physically fit (although I am active), and I have no knowledge of traps, tactics, etc. I’ll sit tight for a short while with my family and my arms, shoot if I have to, bug out if the opportunity presents itself, but I’m a desk jockey. Most of us are. I don’t know that I’ve got it in me to run for the rest of my life.
I have loads of experience but I make no guesses as to how long I would last. All it takes it one goober with a lucky shot or some unforseen mishap to do you in. As has been said so often in military circles, and I paraphrase, you can plan all day long but when the first shot is fired the plans go in the trash most times and you are winging it.
Hope for the best and plan for the worst.