Jumping for Joy
Sometimes when I see pictures like this, of beautiful people who look so happy, in beautiful places, I feel so happy for them. Sometimes the pictures remind me of happy times from my own life. Still other times, the pictures sometimes make me feel jealous and wish my life was more happy.
In heaven, our lives will be more happy — in fact, even better than just "more happy".
See also: What If You Actually Believed You're Going to Heaven?