Next month, I have a milestone birthday coming up: the big 4-0. Being completely transparent, saying, “I’m 40,” wasn’t something I was looking forward to. I don’t feel 40, do I? What is 40 anyway? Just a number. My age does not define me. I’m grateful to be able to celebrate 40 years of a healthy, active life! That has not happened by accident though. I Invest time in training my body…properly. Once we approach 40, we are losing lean…