In Elizabeth Browning’s sonnet ‘If Thou Must Love Me’, ‘thou’ referred to is the poet’s lover Robert Browning.
 
Though the poem was written from a personal point of view for the poet’s lover, it has transcended the boundaries of place and time and obviously has something more to offer. The poem now speaks for the demand of love for love’s sake. This is very much relevant in the so-called modern society where women are loved for their physical appearance and outer beauty. 
 
Read more here: What is the relevance of the poem If Thou Must Love Me in the world of modern Indian woman?