Would the Catholic church be angry or upset with me if they found out I had left the church to follow Christ in another religion?

Chelsea,
This is an important question and it really gets to the heart of what the Catholic Church is all about.  The Catholic Church believes that She was founded by Jesus Christ and that Christ gave power and authority to the Church to teach in His name.  As Catholics we believe their are certain spiritual realities that can only be attained in the Catholic Church b/c Christ gave them to the Church.  The Eucharist being the prime example - we believe that the Eucharist is the actual body and blood of Jesus Christ - only the Catholic Church has that gift.  Same thing with the Sacrament of Confession.  In that Confession our sins are truly forgiven, no where else we can go to get that.  So to walk away from the Catholic Church is to walk away from the Church that Christ founded.  The Catholic Church is not perfect, there are all sorts of problems in the Church.  Why are there so many problems, b/c the Church is made up of people and people have problems.  There is no Church that does not have problems, but their is only one Church that was founded by Jesus Christ Himself.  Thanks for the question. 

Veritas vos liberabit.  FJ