Remeo character changes beacuse of mercutio's death. how does shakespeare show this change through the language romeo uses

Romeo does change. After Mercutio is killed by Tybalt, Romeo laments that his love for Juliet has made him less than a man.

113 Hath been my kinsman! O sweet Juliet,
114 Thy beauty hath made me effeminate
115. temper: nature And in my temper soften'd valour's steel