[Kevin]

I wouldn't really let it get to me. I wouldn't try to guess his motives. I wouldn't try to attack his beliefs. Over the next few years, he'll see (if he chooses to remain your friend) how good a thing it is for you. He'll either take all of the new evidence into consideration and changes his mind, or he'll be stubborn and not change his mind.

Don't know what else to tell ya.

You made a good choice though.