Incidentally, the article he links to there is on something called WikiHow, and the introduction to the article reads:
Dealing with a friend that [sic] has different beliefs than you can be frustrating for both yourself and the non-believer. Learning how to deal with it can be extremely difficult and you might want to try and [sic] convert them. If you do chose [sic] this route, however, you must always keep this in mind: be gentle and never force your ideals upon others if they don't wish it. If your friend expresses a deep, sincere wish for you to leave their beliefs alone, please respect that.
If you go through all the steps it then recommends and your friend hasn't given you a smack in the mouth and vowed never to speak to you again, then you can safely believe in God, because it'll be a holy miracle.
Anyway, here's the video I promised you. Enjoy.