Because the challenges of marriage and kids and work present challenges for self improvement that are real opportunities for the growth of my soul. I can be happy to have a trainer that gives me such heavy weights to train with
This just sounds like rationalization of your own choices. It is easy to be judgemental about monks when you already think that your choices offer real opportunities for growth.
My combo is bringing together stoic philosophy, perennial enlightenment philosophy (it's all one, man) with a design thinking and new thought mentality (manifesting reality). That's what works for me.