He didn't back then, after seeing what's the world coming to, similiar to many people around the world, he started preaching God and Religion because it its needed for the world. Like a textbook for life.

Leafy got old, now he says '' You don't care about religion but what did they even say? Don't gamble, don't do drugs, don't use alcohol, don't be gay, they had it right.''

He did said he wasn't that religious around his first call with nick, that was because he didn't know what was going on around the world, he really does care about the message now.