What is the meaning of the extended metaphor in this sonnet?
1. Love is beautiful, but it lasts only briefly, like roses that eventually fade on their bent stems.
2. Love is only true if it is unwavering in the face of adversity, like the unmoving position of a star in the sky.
3. Love is an obstacle to true happiness, bringing emotional challenges that are difficult to overcome.
4. Love leads to doom, so only fools who cannot recognize errors fall in love.