It has Nothing to do with Babies
He leans back and lifts his face to the sun. Their thighs touch, yet they are silent. She reads a novel next to him. He looks over and watches her, smiling at the way her mouth moves when she reads the good parts. She reaches out her hand to him, intuitively feeling his eyes. Their energies blend and create a third entity. You can almost see this "other" when they are together. Feeling "its" birth they allow it to stay.
The "entity", which is spirit, has nothing to do with a physical baby, test tubes from physical substance, or components of their joined bodies. The "entity", called love, has no form.
The pregnant Universe creates their spark, and like an ever evolving solar system, its magnetic pull brings them together. They swirl with the entity like sun beams through a brightly lit window. There is no understanding of why they are together nor does it matter. It just is.