In this story, the bride's sister had initially offered to pay for half of her wedding as a gift to her. Considering how expensive weddings can be nowadays, this is an incredibly generous gift. However, the sister took back her offer after the bride betrayed her trust. One day, the bride casually mentioned to her sister that she had invited her ex-boyfriend to the wedding, and not only that, he was going to be a groomsman. The sister had been in a serious relationship with said ex-boyfriend for…