Only since the Industrial Revolution have most people worked in places away from their homes or been left to raise small children without the help of multiple adults, making for an unsupported life. ↗
Again, with two small children it's incredibly hard to commit yourself to anything because you're just getting interested in it and someone comes along and goes I want Thomas The Tank Engine on, and screams the place down until you put it on. ↗
Many instances exist of small children who seem to remember and describe their previous life in another body, another place, and with other people. These memories emerge usually shortly after these children begin to talk. ↗