They constantly play with the use of the narrator in how the story unfolds and in how the characters perceive a situation.
She was the last person to desert Ted.
None of the characters ever refer to this all-powerful, all-knowing, and benevolent planner as God, but only as "the universe.
It's possible for a main character to make it to the series finale without showing any character growth, but that would be pretty frustrating and lame for fans.
When Marshall announces that he is getting engaged to his college sweetheart, Lily Aldrin , it prompts Ted to take an introspective look at his life and decide that he is finally ready to settle down and start searching for "," much to the disgust of his other "friend" and serial Barney Stinson.
In his words: Barney: with a sad, almost broken look on his face "I'm not insane.