Firstly, it implies that one's expectations of a partner should be reflected in the effort and environment they provide. In other words, if a man desires a woman to be loving and nurturing (an "angel"), he should create a loving and nurturing environment ("heaven") that enables her to flourish.
Secondly, it highlights the idea of cause and effect, often associated with the concept of karma. It suggests that the energy and actions one invests in a relationship will be mirrored back. If a man invests in creating a harmonious and loving space, he is more likely to receive love and positivity in return.
In essence, this statement encourages a balanced and equitable approach to relationships, emphasizing that both partners should contribute to the well-being and happiness of the other. It reminds us that creating a loving and nurturing environment is a shared responsibility, ultimately leading to a more fulfilling and harmonious partnership.