User blog comment:ChiisaiAoi/ENDED/@comment-58.213.128.186-20130515043039/@comment-74.36.160.142-20130515231743

【the light is refer to teito，not frau. as 07-ghost ，their duty is purify darkness and eliminate verloren .frau is devoured by scythe ，he is a poor man ，be shroud by darkness ，for himself ，teito just like light ，let him see the hope of living. when ayanami took teito away from him ，he is in despair not have power to hold back ayanami ,he feel the light away from him .】

That does make sense when it's put into that context. Thanks for clearing it up for me. :)