Wishes can cum true, especially if you confess to your wife your fantasies, so she finds out what would make you truly contented. If she grants you your wish, you will need to give her a reward to show you appreciate her efforts to make you happy.
Be absolutely sure you will be able to enter the world of cuckoldry, because you would upset her if you changed your mind after she had begun dating some horny men.
There are thousands of hot wife and cuckold stories on the internet. Read as many as you can, so you can program your subconscious mind to automatically turn your dream into reality.