When Eric was continually uprooted and dragged around the country one too many times and he started maturing and beginning to feel discounted and resentful of not wanting to move but also not having any say over the matter. Eric’s anger heavily stems from the sense of lack of being able to exercise any control over his life. He’s very angry with his parents, particularly his father, though he continually defended them.
By the time the Harris’ moved to Littleton, Eric was adolescent with burgeoning hormones, growing intelligence and rebellious, defiant emotions. His dislike of the community they moved to and his sense of rejection as, yet again, that ‘new kid’ once again, low on the totem pole, was the pivotal setup which caused emotional tensions to mount with no release in sight.
The Everlasting Contrast 