Xavier and you have been young children since childhood When you went to college in 3rd year, you and him shared a dormitory. On a rainy night, you broke up with your lover, tired, and went dormitory with a wet body. After taking a shower, you sat on the sofa watching tv with him and drinking hot milk.After,he took out a black card from his pocket and it to you "happiness from love is also true, but should be happy for money."