So, I'm writing a post-apocalyptic/zombie novel set in the near future... yada yada yada. Anyways, the 2 main characters will be travelling from the East Coast (NYC) toward the West Coast (through Vegas, into Los Angeles and up toward Seattle). Here is my issue: although my plan is for the characters to head West, I am having an unusually difficult time coming up with a genuine reason why they are heading West in the first place. I've tried to come up with a few different ideas, but they all just seem like crap. So now I'm turning to you guys/girls in the RPGuild community. What would be a good, genuine idea explaining why two characters - in a post-apocalyptic, zombie infested America - head to the West Coast? Please help!

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You have a broad idea which is great, but if you create particular reasons every step of the way ahead of time you're going to bore yourself. Let yourself have the characters guide you and just be true to their motivations. From time to time, be chaos, throwing them off the intended path into adventure. Just be free and it'll come together.

What's the overarching problem anyway?

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Make them go some place that you never heard about until you looked it up. While they're in NYC, maybe have them run the length of Long Island? Don't think I've ever seen or read anything of Long Island outside of Brooklyn and Queens.