The two poems "Valentine" and "The Flea" are about the two different ways in which the poets portray their views about love, however the poems are still linked in a few ways. The flea has bitten them both, and their bloods mix within its body.
The exuberant absurdity of the conceit compliments the energetic theme of ardent and persistent seduction making this a sublimely enjoyable and unusual poem. The core difference between the metaphysical poets and others perhaps not in the themes, moreover in how they use literary tools and the fashion of conveying spiritual ideas to the physical world rationally.
The poets seem affected and as if their uppermost aim is to impress the people by presenting their wit. Donne crosses the barriers in poetry between the physical world and the spiritual non-physical world to create unique extended conceits that makes up one of the characteristics of Metaphysical poetry.
He starts complaining that she grows old as time goes by and that her treasured virginity will only be loved by the worms in her grave if she dies.
This flea is you and I, and this Our marriage bed, and marriage temple is. An attempt to explain Metaphysical conceits is giving spiritual qualities and importance to insignificant things or matter, and linking them logically altogether.
In the past it was commonly believed that one's blood was representative of her soul. Drawing on this biblical reference, the wooer attempts to lend authoritative substance to his argument.
John Donne brings out and shapes this meaning through his collaborative use of conceit, rhythm, and rhyme scheme.