Roman Catholic Resources

Like the first time I flew on an airplane that hit turbulence, dropped a pair of 100 feet and crossed myself and if I remember praying! LOL   All the rest of the time I could not care less? Related posts:

1. The Protestant churches are offshoots of the Catholic Church, or have a continuous history as NT Times?
2. All of religion is really that bad? ?
3. If the Catholic Church is not the real church, where was the First Church of The Real 1400 years?

In other words, why Christians must go through a purgatory, to finish the "punishment" for their sins before entering heaven, where Jesus took the full weight of our sins on the cross? It was not the suffering of Christ enough? Or am I missing something?   I grew up Protestant, without any concept of purgatory, so [...] Related posts:

1. Do Catholics denounce the Cross?
2. What does the Catholic concept of Purgatory half?
3. The Orthodox Church does not believe in "purgatory" As Catholics do?