Nature and nurture both play a role. How we act as parents as well as our child's genes are strongly intertwined (Duncan, 2014). Each child responds to parenting in different ways. We know that children bring out different responses from their caregivers, partly as a result of their genetic makeup
You could do it manually or use an operating machine hope this helped
I would say true. "Fit" for a 7 year old and for a 70 year old definitely have different criteria