Attitude is everything Have an adventurous attitude. One priviso - if you are following a route, you still need to maintain some kind of schedule so you can make your next campsite before dark. But you should pick a route that isn't too hard and long, so you actually have some time to enjoy yourself. And never panic. If something bad does happen, stay calm.
Panic only makes things worse.
To get your sleep and keep warm at night when temperatures can reach sub zero even in the mild Autumn, is important. I slept with several layers on as well. The cold and being outdoors all the time makes you want to pee more. Sounds silly, but none other than the great explorer, Sir Ranulph Fiennes told me so. Don't drink a lot before going to bed, unless you want a 3 am wake up call of nature.