In the next few decades, people worldwide can expect to live longer. And if you make it to 65, data implies that you my live another 20 years. That's the good news. Those living another two decades will likely live with at least one chronic condition. But some health factors can help lessen that concern.
How do you know when you're old? None of my peers seem to know they're old. Even after they see their wrinkles and gray hair, whine about arthritic pain and celebrate another monumental birthday, all I ever hear them say is, "I'm getting old." They don't get the connection between those old age signs and actually being old.
Your children will begin to individuate and make their own decisions, like choosing their course work, becoming involved in sports or clubs, and seeking their identity based on those choices. This is where we as parents need to learn to let go. Micromanaging or helicoptering your children does not help them -- it actually harms them.