I just find it extremely condescending and disrespectful to assume that people who choose not to have sex at certain points in their lives are repressed, and that they're somehow incomplete as human beings. I also personally disagree with sexual gratification being a "need", because that's not the case with me; I put sex in the "nice, but not essential for my happiness and well-being" category.
Sadly, it seems as though not many people agree with me on these fronts. Hence, I'm a freak.