9 years is a rapist getting jailed and released twice in a row.
9 years is what it takes for a human to grow from a screaming pile of blubber and cartillage, into a physically fully independent person with an actual life to talk of.
9 years is longer than a two-term US presidency or German chancellorship
9 years is Gilad Shalit, almost twice
9 years is almost halfway into a murder sentence in Germany
9 years is 3/4 of Hitler's reign and countless dead
9 years is what it takes to change from a dumb teen, to a mother of several kids
9 years is how long my dog was on a chain, producing puppies and being emotionally and physically neglected, and her personality shows no trace of that.