An angel and a devil are always beside us, and the one we listen to more will prevail. This confrontation is what makes life so magical because you are always challenged by the circumstances - we are good and evil depending on how we act
The dangers is that every religion, including the Catholic one, says "I have the ultimate truth." Then you start to rely on the priest, the mullah, the rabbi, or whoever, to be responsible for your acts. In fact, you are the only one who is responsible.
Always remember the proverb: "This too shall pass." Your negative feelings won't last forever, there's a light at the end of every tunnel. It might not happen today or tomorrow, but you'll feel better eventually.