I think that there are no specific environmental factors that influence, but that total environment influences.When you are young there is a lot that impresses you and there is a lot you hold on to. You might be raised in a neigbourhood with a playground, having a lot of fun with playmates equal of age, the neigbours who visit and the way you are told to behave against them, the pets around the house, membership of social organizations like boyscouts, having a trip with your family and go out fishing,being taught to clean up your living space, having a handy friend with whom you make your own bike and so there is much more to mention where the environment that influences in physically and mentally