+JMJ+
Personally, if ever the Catholic faith fails to keep me joyful, I would leave it in a heartbeat. Fortunately for me, this seems to be impossible, because Christian joy seems to be invincible, even in this life. It makes me happy not only in spite of hardship, sorrow, and suffering, but even
because of the bad things in life. And honestly, I cannot see how this can work without the help of God. Humanly speaking, it seems it is just outright impossible to be happy
because of sorrow!
I think that is why I do not bother much on why non believers seem to be happy. I doubt they would have the impossibly invincible joy of Christians: I mean, can they still remain happy if they lose everything that makes them happy? But even if they do find the invincible joy of Christians while not being Christian, well and good: Christian joy is so good that it would be downright evil to not wish it onto others!
What bothers me, though, is when Christians do not even know this joy that is theirs to have, their
birthright as Christians when they were born again from the waters of Holy Baptism, even while on this earth. “Man cannot live without joy,” as St. Thomas Aquinas said. And having this joy is just as easy and as hard to get as doing and accepting God’s will on earth.
No one who ever said to God, “Thy will be done” and meant it with his heart, ever failed to find joy—not just in heaven, or even down the road in the future in this world, but in this world at that very moment, here and now.
peterkreeft.com/topics/joy.htm