In the poem, "The Passionate Shepherd to His Love", the speaker is inviting his love to come live with him and to be his love. The stanzas are meant to describe the beautiful life they will have if she reciprocates his love. In the first stanza,
"Come live with me and be my love,
And we will all the pleasures prove
That valleys, groves, hills, and fields,
Woods, or steepy mountain yields",
he expresses just how passionate his love is. The pleasure they will enjoy is not limited to his hillside, but their pleasure will also extend into the valleys, groves, fields, woods, and steepy mountains.
In the following stanzas, the speaker lists the ways he will provide and nurture his love. A common figurative device used in romantic poetry are hyperboles, which are widely exaggerated phrases. The third and fourth stanzas are excellent examples of this. By offering her a thousand fragrant posies and gowns made of the finest wool, he is promising her grand gestures to show how powerful his passion for her is.