Read 1 Corinthians 7:29-31
29 What I mean, my friends, is this: there is not much time left, and from now on married men should live as though they were not married; 30those who weep, as though they were not sad; those who laugh, as though they were not happy; those who buy, as though they did not own what they bought; 31those who deal in material goods, as though they were not fully occupied with them. For this world, as it is now, will not last much longer.
My kids are growing up too fast and I am getting older too fast... this life, this world is passing away too quickly. Paul reminds us to focus on what is eternal - God's work.
Lord - help me in the brevity of life to know what to pay attention to.