Okay, they say that with perfect use condoms are 98% effective, but in reality, in real use, they are only 86% effective. So my question is, what accounts for that difference in 12%? Are the people in that 12% just a bunch of idiots? Or if I always use condoms correctly can I consider them 98% effective? I've practiced putting condoms on before etc... and know how to use them so.... what's the deal? 86% or 98%?