It's natural for Christians to pride ourselves talking about Christianity. For some there is a level of accomplishment when we can push someone in their thinking, to get them to question their doubts and consider Christ. But once a person has a child all the abilities to guide people in thought seem to dissipate. 

Natasha Crain's Keeping Your Kids on God's Side is a great tool to begin, continue, and process conversations with one's children. Natasha is a speaker, blogger, and author whose guidance emboldens parents to trust God and continue conversations.