I aggree with minime. (Based on first hand experience.) What you have to do is just sssssssssssssssllllllllllllllllllllllllllllllllllllllllllllooooooooooooooooo wwwwwwwwwwwwwwwwlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy 'wean' yourself from the civilization and it's tools. Going to fast or jumping the gun, will leave you cold, hungry, tired, thirsty, mosquito ridden, and not a happy camper. <img src="images/graemlins/grin.gif" alt="" /> But, it is possible, you just have to gain more skill at techniques that technology took over for ya. Use smoke to scare away mosquitos, instad of using bug-spray. In time, and with experimentation, you can learn which things make the best smoke to scare the bugs away. Assuming of coarse, you want to scare the bugs away.
You need to have a good measure of personal grit. Over hundreds of years, it has either been bred out of most people, or they just don't know how to face an onslaught of problems that nature can rise up against you. Again, you should wean yourself to this.
The one foreseeable advantage is that you get to be really tough (which will attract babes) and, you can truly go anywhere, anytime, anyhow into the woods (or whereever).
Oh, and a good book series I know of is the Clan of the Cavebear by Jean M. Auel (which follows a prehistoric human) and the Hatchet series by Gary Paulsen (which follows a modern person who goes back centuries technology wise when his plane crashes in the Canadian wilderness.) Both are inspiring, and cast out a few hints and tips.