Continuing on with the theme of âchild-proofing your lifeâ, we look at doors in this episode. Putting locks on doors or cabinets keep children safe. Many times, curiosity and ignorance gets the best of them. Throughout life, we encounter many different doors, entry ways into other areas. We have to decide which doors weâll go through and which ones we wonât, and âchild-proofingâ those doors can keep us safe from going through doors we shouldnât.