Talk:Yvaine/@comment-26170980-20161205023940/@comment-70.75.132.159-20161212025037

Immortality doesn't neccesarily mean forever. It can be temporary. Think of the star in Super Mario. It can grant invicibility from all enemies, but it only lasts for a while.

And "young for a while" simply means that the person will physically be younger and has effects of aging reversed, looking younger and stop physically aging, but only for a limited amount of time before they begin to age again.