My nephew said what???

Amy • Stay at home mom. Just went back to work part time. beautiful girls. 9 and 2
Last night my SIL and 6 year old nephew were driving. Out of the blue he said "there's a baby boy in aunt Amy's belly". Well we're TTC and hold our breath that my period doesn't come this week. I asked what we should name him... Bennet Cupcake.