The only downside to having children later in life is that you can miss out on the support and love that your own parents can provide. I am 67 and my first grandchild is now 1 year old. I adore him and more than happy to support with childcare now my daughter is back to part time work. They realise how lucky they are that I've retired and live close by. However even though I'm fit and well it is 10 times more tiring as you get older. I can only imagine how difficult it would be in my 70s if more grandchildren come along. Relationships that children have with grandparents are very special and we offer a very important role now both parents need to work!