The financial hazards in your 50s are significant; however, you don't see them in plain sight. You should be in great financial shape in your 50s.
However, many people take their great financial shape as a chance to overspend and overconsume.
Meanwhile, your older children will most likely be struggling trying to gain a foothold in this unforgiving world.
Thus, you'll have to decide between having all your toys and fun or assisting your children in building a great life. To me, the choice is easy.