Answer:
Current events
Explanation:
In a situation such as this, the group is more interested to talk about other subjects than the experiences to raise their children. Because of that, in order to create a discussion, to receive good feedback and, most importantly, to maintain the discussion, John should be talking about the current events that are happening around them. By current events I mean ordinary situations or something that is influential, not only in his life but on the lives of everyone.
