this difference in energy is called the exchange energy. it follows on from primary or elementary education. she does not want to be involved, but he forces her onto the roof and locks the door, making her wait for him while he climbs down a rope ladder and enters a nearby window to rob the safe. but it can be understood to have an effect on division of household labor by gender when both parents can take time to care for a new baby. club gave the episode a "b+" grade and wrote, "other characters are starting to become more fully-formed as well. 