What a crock of shit !!
I agree on the crock of shit in regards to not having the energy as I know a lot men 40 / 50 + that could run rings around lads my age (26)
I do believe that its somewhat unfair on the child if the parents are getting on late 30's 40's or even in their 50's and having to experience the loss of a mother or father, or even having to care for their parents while the child is still at a young age.
So what age do you say is the cut off point? And with that reasoning should racing drivers and motorbike racers have kids because they could get killed and leave their