You were viewing his memories seeing a few key points that helped twist him into the spider....

Watching his parents drive away, trying to go after the car completely confused..

His uncle selling things he saved up weeks to buy.

Forced into letting others copy off him, thrown him to the ground after his glasses were shattered. More threats spoken in his ear, as he stayed on the ground unable to look anyone in the eye.

Looking up at you after you after you passed." I had a plan..I was going to fail on purpose, with my grades I could accept one bad grade, while they would have the final failure...repeating the class, disrupting their future..Winning, but I was terrified of what would be done after. I had no choice but to help...I have to if I want to be able to survive the school year" 

Patton had the time of his life until his uncle forced him to go outside. The only time he had ever been happy at home was when he was working on his chemistry set, a gift he treasured. For weeks he had been working on the formula. " Why can't you be normal?"

When he snapped at his uncle he regretted it, his hood yanked down before his set was thrown at his head and poured on the floor. "Your attitude, your smarts, and your dreams doesn't matter. Strength is the only thing that matters.." 

Following the girl, helping her because he liked her only for her to blame the incident on him for breaking into the lab. Saying he made her do it, getting him suspended.. The one person he liked  pinning it on him. His reputation at school growing worse.