Some think that they married the wrong person. Some may be as surprised as Jacob when he awoke the next and found himself married to Leah instead of Rachel. When Leah's veil came off Jacob was in shocked. Many times the mask comes off after marriage. A newlywed couple was about to check into the hotel.
Conclusion Think of the awesome power of love.
Love cures people, both the ones that give it and the ones that receive it.