Responsible child rearing increases the Love and lovers in the world. Aiding orphans, mothers, herds, and gardens increases the Life Force. Bringing together is apparent in all of nature. When two bubbles of mercury spring together, that is caused by Love. When leaves fall to the ground, or anything at all falls to earth, that is because the Earth Mother's Love pulls us there.
Water flows downhill to the sea because it seeks to come together with the ocean.
Societies meet out o of brotherly love, and everyone knows of how genders arc attracted to each other. All these activities are motions of Love through the Life Force. Reproduction can mean either propagation of the species, or the generation of something completely new. Alchemists know of several processes which create new substances with no trace of the original ingredients. Ancient gods, powerful with the Life Forces, often begat or bore children unlike themselves.