The rules are very strict, primarily with respect to weight. That is, was (and still am) fat, and that's a no-no. I've lost 120 pounds so far, with at least 10 more to go before I will finally be (possibly) approved!
Having a ready supply of pig kidneys would be fantastic. All the sudden it wouldn't matter as much that you are a bad candidate, you might end up simply cycling through pig kidneys more frequently.