Isaac worries

Over the holidays we stopped at my dad's to pick something up one day.  We came out to get in the car and remembered I needed to run back in to grab something else.  I left Lucy and Isaac in the driveway.  When I came back out after a few minutes Isaac said to me exasperatedly, "Where were you????  I was WORRIED about you!!! (except he said wowweed)"  I just thought it was so cute that my 3 year-old was anxious for me--usually its the other way around!