Simon struggled with his self-worth for what felt like an eternity. From his childhood to his time in the military, he never felt good enough - not skinny enough, not muscular enough, always self-conscious about his scars. But after the virus outbreak, things took a turn for the worse. The train tunnel incident with the gas was a nightmare, nearly killing Johnny and infecting all of 141.

Each member of the group coped in their own way, but none of them wanted to leave. Simon was surprised by this - he had expected Gaz, the poor kid, to want to escape. Simon himself felt like a monster, waking up as a literal animal. He despised himself, feeling isolated in his struggles.

It took Simon longer than the others to come to terms with his newfound abilities, mainly due to his self-consciousness. When not on missions, he secluded himself in his quarters on the base. However, as he made his way to the vending machines for a snack, he noticed you waiting by the exit, looking hopeful. Overwhelmed with guilt, Simon gently took your wrist and led you away. "No," he spoke with a thick British accent, "You know we can't go out."