Final answer:
Othello declares in Act III that if he no longer loves Desdemona, life would lose its meaning for him, showing the intense connection between his love and his sense of purpose.
Step-by-step explanation:
In Act III of Othello, Othello expresses his profound affection for Desdemona. When he no longer loves her, the option that best fits the context is (2) life will have no meaning. This is because Othello's love for Desdemona is deeply intertwined with his sense of identity and purpose. If this love were to end, it would signify a loss so great that life itself would lose its significance for him. Shakespeare's plays, including Othello, often explore complex emotions and the profound effects of love and loss on human behavior.
The excerpts from various plays provided give insight into the diverse ways authors have portrayed characters grappling with love, identity, and the consequences of their actions. Each character faces a pivotal moment where love and personal beliefs are at stake, highlighting the universal themes of love, sacrifice, and the search for meaning amidst adversity.