(n)an absent part, especially in a book or other piece of writing.
Bit diplomatic thought.:) I would say we should think more about positive things but at the same time we should be ready for the worst as well.But thinking more about it might drive you there.
Being positive surely helps but being prepared for the worst also does!
Words are all that this blog is made of ~ From me to you, And words are all that I crave for ~From you to me!