
I know how you feel exactly, by saying that you don't want to just all of a sudden become like them. Like it is just something that will print off uncontrollably, like magic.
Look, I can only speak from experience, I may go to hell, but!! I when I used to be in college, when I was around a 'mildly' bad company, It was much easier to get persuaded to do bad things, even though I don't even like doing those things, it is not even as tempting to me as it is to them. I did hash for a while for example, just because my friends wanted me to. It is such a stupid feeling, I don't like it, but my friends seemed to tell me it will help me relax....it just didn't but I just couldn't think they are wrong or it is not for me.
Also my opinions are swayed sometimes according to the company I am around. Because I am unsure of my self, and I think peer pressure is just a powerful influence, and God knows it.
Do not underestimate the power to be influenced I guess is what I am trying to say. But....also, I believe in understanding what you are facing and not just hiding from it. I tried hash and alcohol, also to understand what God means by that mind influencing things are bad. How can I claim I believe in God's revelation if I have not tested them....I don't know how others feel about this, but I always confronted things I felt made me question my faith rather than just avoid them, or be *indifferent* about them, or worst to me is deny they exist. Because otherwise...I just feel fake.
I believe God says that you shouldn't claim you believe right away, but rather claim that you submit first and then believing comes later, I think it became much easier to me to not feel easily swayed when I understood that believing according to God is an ongoing process, you don't just do it cause you have to, I don't believe you can force it.
http://quran.com/49/14-14Now revelation wise. Well God doesn't disown the Torat and the Enjeel in the Qur'an they are his revelations too. But the Bible is not just God's revelation, and this is a known idea to Christians themselves it is a collection of many things. So it is important to know what is being criticized, and also mocking/rejecting I believe are different than a real attempt of criticizing to get answers not to just say no you are stupid but I am not.
So study the revelations and then I think it would be much easier to sort out what sounds like God's revelation, and what doesn't seem like it. And I guess always pray to God to not be mislead. I think God wants you to understand how easy it is to be mislead and wants us to always ask for his protection against getting lost that way. So your concern is valid!! you should be. According to my understanding

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Don't panick about it, look as a pharmacist we are taught that we should tell smokers that if they want to quit they need to tell any friends that they decided to quit smoking. They would appreciate if they do not smoke in front of him to not tempt his urge. Otherwise he should avoid them. Same for AA, same for dieting!
So the concept is human limitation. Just understand it and work on it, do not choose to fear it

. MY OPINION.