I have a problem that I have to face quite often. One of my good friend's who is a former Catholic, who has now turned his back on Christinanity. Talks to me often about things that go against what I know is right. He will talk to me about anything from, how Muhammad was a messenger of God etc. Things like that. Now because I care for him, I feel the need to fight him on these points, and I can never just let them slide. The problem is that when I do this, I feel drained and rather un-happy. I do not like arguing, particularly over something I hold so dear, which is my faith in Chirst. But I can't help but want to see him saved. So doesn't anybody have any suggestions on what I can do, before I go crazy? Thanks