This philosophical reflection examines the fundamental ontological task inherent to every subject, from the most rudimentary forms to the level of human existence: the necessity of simultaneously establishing internal integrity and maintaining active contact with the external world. The author posits that subjectivity is defined by the capacity to create and consistently manage a boundary that distinguishes the subject's own being, referred to as a true event, from surrounding occurrences. Crucially, these boundaries are not intended to create absolute isolation; rather, their purpose is to facilitate controlled and regulated relationships with other subjects and environmental false events. A key aspect of subjectivity is the managed permeability of these boundaries, allowing for essential interactions without compromising the subject's unity. The text offers a sophisticated view of the dynamic interplay between openness and distance, where identity is the result of an ongoing process of balancing autonomy with interconnectedness. Ultimately, the survival and integrity of a subject depend on this dialectical ability to remain distinct yet accessible within the broader flux of events.