The concept of the cosmos punishing those who deny love is primarily based on philosophical and metaphysical beliefs rather than empirical evidence. Different belief systems and religions may have their own interpretations of how the cosmos or a higher power responds to denial of love or other actions.
In many belief systems, the consequences of denying love are not seen as a direct punishment from the cosmos but rather as the natural outcomes of our actions. Denying love can lead to a sense of isolation, emotional emptiness, and strained relationships, which can have negative effects on one's well-being and overall happiness. From this perspective, the "punishment" is seen as an inherent consequence of denying love rather than a deliberate act of punishment from the cosmos.
It's important to note that beliefs about the cosmos and its response to denying love vary widely across different cultures, religions, and individual philosophies. Some may believe in the existence of karma or the law of cause and effect, where denying love might be seen as generating negative energy that could, in turn, affect one's future experiences. Others may interpret the cosmos as a force of love itself and believe that denying love goes against the natural order, resulting in disharmony or a sense of disconnection.
Ultimately, whether the cosmos "punishes" those who deny love is a matter of personal belief and interpretation.