Woman's constancy - John Donne

Now thou has loved me one whole day

- figurative love is subject of direct address casting her as personification of womanhood
- adjective "whole" adds emphasis in uncomstancy creating immediate depiction of fickleness of love

Antedate some new-made vow

- succession of rhetorical questions results in tone of inquisitive speculation and bewildered confusion regarding nature of love and feminine speculation

Reverential fear / of love and his wrath

- death allusions darken poet's satire with edge of fatalistic solemnity
- love personified using masculine possessive pronoun
- possible reference to Anne Moore and tower kf london

Bind but till sleep, deaths image, them unloose?

- with true love only death can untie it but this fickle love will be unbound in sleep
- questions whether their sleep dissolves their marriage

Falsehood be true

- metaphysical paradox creates bitter tone
- caesura isolates "you" as if poem is aimed at particular individual
- repetition suggests duplicity or symmetry as lovers mirroring each other

Vain lunatic

- double meaning suggesting arrogance or uselessness
- emphatic note of self-censure within phrase

For by tomorrow I may think so too

- ends of world-weary note of resignation to transience & inconstancy of love
- suggests he might fall out of love too

Extra

- repetition of key words establishes how erosion of love's fidelity is mutual process creating irony in title as masculine speaker acknowledges his inconstancy
- change in rhyme scheme reflects change in relationship as abandoned then resumed by end to show mutual inconsistency in their emotions
- lyric poem on matters of love written as dramatic monologue presenting only one POV