Read this excerpt from act iii, scene i, of shakespeare’s romeo and juliet:

romeo: this gentleman, the prince's near ally,
my very friend, hath got his mortal hurt
in my behalf; my reputation stain'd
with tybalt's slander,—tybalt, that an hour
hath been my kinsman! o sweet juliet,
thy beauty hath made me effeminate
and in my temper soften'd valour's steel!

what is the central idea of the excerpt?