Careful What You Wish For
Careful For What You Wish For is used to warn a person about their wish they want to come true and tell them that it might not the thing they will envison later on.
Person 1: Man, I wish to become a successful hiphop rapper!
Person 2: Careful what you wish for though! it might come at you ten fold in the most unexpected way.
Person 2: Careful what you wish for though! it might come at you ten fold in the most unexpected way.