If ever two were one, then surely we.
If ever man were loved by wife, then thee;
If ever wife was happy in a man,
Compare with me, ye women, if you can.
Well, if you’re feeling that ‘husband’ and ‘wife’ are kind of narrow baggage-laden definitions of how two people can be together, here’s Jonathan Richman on it:
When I say ‘wife’
it’s cause I can’t find another word
for the way we be
but ‘wife’ sounds like you’re mortgaged
‘wife’ sounds like laundry
…
When I say ‘wife’
it’s cause if you said ‘lover’ every day
you’re gonna begin to gag
…
[Full lyrics at http://homepage.mac.com/ramonrempel/JoJo/songs/w/whenisaywife.html]
Or, similarly but more seriously,
“Why Get Married At All” by Marge Piercy from her collection “My Mother’s Body”.
Can’t find it on line, unfortunately, but similar.