User blog comment:The Milkman/Indoctrination Theorists Say the Darndest Things, Part II/@comment-5830255-20121205074259/@comment-1440333-20121205152339

Also Shepard is not in contact with Rho for longer than two days(if Arrival is played) meaning he is rapidly indoctrinated and his mind should be destroyed as stated by the in-game codex.