I am a Catholic for much the same reason I am a scientist.
Science depends on the belief that the universe makes sense - that there is casualty, reason, and logic, and if we try long enough and hard enough we’ll eventually have all the answers. We have no reason to believe that the universe isn’t entirely random, and that if A = B now A will equal B after ten minutes. Few scientists will admit it, but science is all about faith.
I was born into a Catholic family, went to Catholic school for 6 years, and learned a lot about Theology. I liked the Philosophy of it, but I disagreed with some of the Church’s actions in the past, disliked how close minded and bigoted some of my teachers were (I now understand that many of their beliefs were not official Catholic policy), and in general found a lot of it unbelievable.
For a time I was a militant agnostic. I didn’t think that there was a way for anyone to know if there was a God or not, and if a theist and an atheist started fighting in front of me, I’d wack them both upside the head.
But eventually I realized that I was profoundly unhappy. I didn’t believe in justice, love, free will, or morality. I realized that I lost my faith that there is an order to the universe, faith that I would need to remain a scientist, or even to stay alive.
I decided that the one thing I could be certain of was Descartes’ old “I think, therefore I am.” Then I decided that I wanted to believe that there was an order to the interactions of objects, and that if I believed this when I wasn’t one hundred percent certain that objects even existed, I should also believe that there is an order to the interactions of people, of which I am absolutely sure there is at least one of.
I researched different philosophies and religions, and eventually decided that Catholicism was the most internally and externally consistent, and so here I am today.
TL; DR: I don’t do faith well, so I had to come here the long way.