The overpacking and excessive spending , according to adult psychologist , susan quilliam , is the need to boost confidence when hitting the beach or enjoying a night out .

成人心理学家苏珊？奎利姆说，往行李中放太多衣物和过度消费是因为女人们在去海滩或夜晚出游时需要借此来提升自己的自信心。