Abstract From 2002 to 2018, Denmark was the only country in the world to enforce a migration law demanding that couples seeking family reunification in Denmark documented their combined “attachment” to the Danish nation. This article investigates the practice of documenting such national attachment through the so-called “application packets”. Investigating the attachment requirement as a migration political tool with affective investments and implications, we suggest that the documentation process can be understood as a performative process in which the application packets lay out a trajectory of “happy objects” (Ahmed 2010): the application, family reunification, a residence permit and ultimately the nation itself. Although the applicants are urged to orient themselves towards the Danish nation as a happy object with the promise of a possible future in Denmark, this promise may have cruel implications for the applicants. Suggesting that an interdisciplinary meeting point between the fields of migration studies and cultural/discursive studies may form as fruitful, this article invites readers to think about the biopolitics of border control in affective terms

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摘要从2002年至2018年，丹麦是世界上唯一执行移民法的国家，该法律要求在丹麦寻求家庭团聚的夫妇证明其对丹麦民族的“依恋”。本文研究了通过所谓的“申请数据包”记录这种国家依恋的做法。将依附要求作为具有情感投资和含义的迁移政治工具进行调查，我们建议将文档编制过程理解为一个执行过程，在该过程中，应用程序包列出了“快乐对象”的轨迹（Ahmed，2010年）：家庭团聚，居留证，最终是国家本身。尽管敦促申请人将丹麦国家作为一个快乐的对象，并有望在丹麦实现未来，但这一承诺可能会对申请人产生残酷的影响。建议在移民研究和文化/话语研究领域之间形成一个跨学科的汇合点，以取得丰硕成果，本文邀请读者以情感的角度思考边境管制的生物政治。