Derived from the combination of the words moe and diabetes, moebetes is an emotional condition in which anime fans are exposed to such great amounts of moe cuteness that they end up with constantly high moe levels, similar to how a diabetic has high blood sugar.
Similarly, one who suffers from (if you can call it suffering) moebetes is identified as a moebetic
Having too many men, similar to diabetes in which case the patient has too much sugar, manabetes involves too much men. Usually diagnosed with 12 grams daily of anchovies to keep the men away. If left untreated, manabetes can cause swelling to the large intestine, rashes on the behind, and the reputation of a whore.