The Time Left
Let's do some math: Say your grandparents are 75 years old and you know they will live another 10 years. Ten years may seem like a long time, but if you only see them at Thanksgiving and Christmas, that equals 20. Twenty more chances to spend quality time with them.
Thinking in years gives a false sense of plenty of time, considering how many days of each year will actually be spent together gives a new perspective. We cannot know and do not have control over how many years we have left with loved ones, but we do have the ability to set priorities.
You can choose to be intentional about quality time with friends and family. You have the power to move certain things in your schedule and make room for what's important. This is not to develop fear or sadness, but to use wisely the time we all have left.