After reading the poem - Valediction: Forbidding Mourning many times, I discover that the poem is talking about god or angels facing us as human beings. The author is telling us that it is like they can talk and live with us when we passed away.
In the first line of the poem: "As virtuous men pass mildly away, And whisper to their souls to go, Whilst some of their sad friends do say, The breath goes now, and some say, No;" the author is trying to tell us which when men passes away, or died, their souls will leave our body and disappear like the final 'breath'. He is hoping God would be existing besides him in his life. He loves God as if God is his lover. So, this poem is about the attitude from the author to the God. His situation is that loving God is not the same as loving a lady or your sweetheart.
Loving God is harder and more difficult to achieve. It is because God is in heaven rather than on Earth.
The "S" sound in the first stanza has a sound of breath. When the author "melts", I think he has the idea everything dissolves. We are going not to think about the death or/and sadness. Just stay there and be quiet. Silence is sometimes "golden". In Line 17, the word defined means good and happy, our minds are like one. We really should care less about our life. We don't care about a uninteresting person who accused you. According to lines 21-24, two souls are referring to the author and his love. The line - "Like gold to airy thinness beat." has a suggestion about how hard and difficult is to build up the relationship between two. It is like hammering...