I like kids but I also like the option to close the door. Becoming a parent is a whole other life, and it doesn't stop.
Bankers cannot afford to be concerned with only the economic aspects of projects. There may be serious implications on the natural environment, the urban environment, on human culture.
My ideas about time all developed from the realization that if nothing were to change we could not say that time passes. Change is primary, time, if it exists at all, is something we deduce from it.