The only interesting example that I saw was of a 60 mb survey data being analyzed and report being generated. In many real world cases that I have worked with, the clients hardly know which question to answer, and how to collect the data to answer that question. That being the case, I think this field will be around for a few more years to come.
Nothing in life has given me as much joy as being with my daughter and spending time with her. The first 18-24 months was challenging as we had to balance work with looking after her. But after that, being a parent is a gift that keeps on giving.
Get physically active. You would need a LOT of energy to be around your son. I wish I was fitter when I became a father. That would have really helped.
Once you get more energy, things will fall into place. So keep that as your first priority.
Ample time for us to evolve and transition.