In case you don't live forever

Quick Backstory

When Peter was a newborn, Harry and Chris had adopted him and his older brother who was 4 at the time. Harry was 24 and Chris was 20. Fast forward a few years, Peter and Will met at the park at the ages of 3 when Harry took Peter and Joyce took Will to the park. The two played on the slide and the swing set while their parents talked to each other. When they went to kindergarten, the Harringtons had to move to a different city for a work opportunity for Chris but ended up moving back to Hawkins halfway through the year. When Peter came back, Will was so happy and he introduced him to Mike. Ever since then they have been best friends and only adding people to their group. First, Lucas and next, Dustin. Will and Peter had always had a ridiculously strong bond with each other.