James answers the question of why family members fight by looking past circumstances and other people to desires that war inside us. The quarrel is first a worship problem, and the way forward is humility that receives more grace.

Romans 12:2 commands believers not to be shaped by the present age but changed through a renewed mind, so they can discern what God actually wants. The verse is less a rule about screen time than an invitation to examine whatever is quietly discipling us.