I think the limits are mainly a matter of time and mental energy. While quantum physics is ultimately composed of many simple concepts, the number is so large t

I think the limits are mainly a matter of time and mental energy. While quantum physics is ultimately composed of many simple concepts, the number is so large that it takes years to enumerate them all. You could explain your work to your wife in terms simple and exhaustive enough for her to fully understand. It would just take a longer time and more concentration than either of you wants to expend.