Farting, or flatulence, is caused when enzymes and bacteria in the digestive system break down carbohydrates and proteins in the food. Gas is a product of these chemical processes that take place. It is a natural bodily function, and therefore probably hard to readily control.
All fabric will eventually wear down over time, do to the thread continually being stretched out and manipulated, despite their natural shift to a harder, more tense state, however, you can use fabric softener to prevent this occurrence granting your pants more time before they tear.
...Um...ahem... It's likely connected to genetics, although it has been suggested that differences in penis size between individuals are caused not only by genetics, but also by environmental factors such as culture, diet, chemical/pollution exposure, etc.
Assuming this cupcake is from this dimension and universe, and so has the laws of physics applied to it, some outside force has affected the cupcake, causing it to move or change form. The possibilities to where the cupcake lies, or whether the cupcake still exists, and how it's gotten to these outcomes, are, infact, endless.
(I would've found a serious answer, but... the subject wasn't my favorite.)
The amount of sugar you possess is irrelevant if you're trying to connect it directly to travel though space to the moon. You would need professional equipment.
How much wood could a woodchuck chuck if a woodchuck could chuck wood?