I suggest you keep going and enjoy the time of Worship with God and the fellowship and have a good time at it. Lead by example. Make sure he knows the fun you had and let him know about your time at worship with- out being self rightous you went and he did not. God's gives us a choice and we are responsible for our own. He might come around but either way he will be the one standing before God answering for himself. Not all people I know who worship got o a church. It does not mean they don't worship God. Fellwoship is good for us and our souls I knwo that to be true but some people must learn themselves. You keep your soul close to God. Grace be with you always.