The three cells appear to have had at least one thing in common, thoughâ€”their members’ immersion in gym culture. Often, they met and bonded over a workout. If you’ll forgive the pun, they were fitness fanatics. Is there something about today’s preening and narcissistic gym culture that either nurtures terrorists or massages their self-delusions and desires? Mosques, even radical ones, emphasize Muslims’ relationships with othersâ€”whether it be God, the ummah (Islamic world), or the local community. The gym, on the other hand, allows individuals to focus myopically on themselves.