Does shakespeare seem to consider a self-destructive tendency inextricably connected with love, or is it a separate issue?

In the eyes of Shakespeare, love is inextricably connected to a self-destructive tendency.  

Explanation:

The connection between love and self-destructiveness becomes evident in Shakespeare´s usual representation of love as a bad thing through his characters' eyes. Such is the case in the story of Romeo And Juliet.

For example, throughout the story, the couple´s love becomes so extreme, that Juliet claims she´s willing to kill herself to prove her loyalty to her love, while Romeo does kill himself after he sees Juliet supposably dead.

he used romanticism in his works