Did people age faster a long time ago in a galaxy far away?
According to the Star Wars universe, Obi-Wan Kenobi went from this...
Walt Disney Studios / Via starwars.wikia.com
... to this...
Walt Disney Studios / Via pyxurz.blogspot.com
... in nineteen years.
Since that is how old Luke and Leia are when Episode IV begins.
So, I ask: What happened during that time, Obi?
Walt Disney Studios / Via fanpop.com
