Proverbs 14:13-14 - "13 Even in laughter the heart can be sad, and joy may end in sorrow.
14 A backslider is filled up with his own ways, but a good person gets satisfaction from himself."
Our life here on the earth is filled with "ups and downs". And they are not always separated by time. How do you handle them? Do you look for God in your life's trials and troubles?
James 1:2-3 - "2 Regard it all as joy, my brothers, when you face various kinds of temptations; 3 for you know that the testing of your trust produces perseverance." (CJ