It will be an adventure and everyone should have adventures. I traveled halfway around the globe and back when I was young. It wasn't always easy but it was an adventure. So, carry on. If you get tired before reaching a hotel you can always pull over at a rest stop and take a nap.

One last thing...do you have an AAA membership? They provide you with maps, travel routes, advice, discount coupons, and with a premium membership you get long-distance towing and overnight accommodations if you need them.