This poem makes me think of how we never know the extent of our strength until we have sought to exceed them. The quote "'Have to' is a good master" comes to mind. While I often find myself contemplating the worth of life without the things from which I draw strength, I am reminded by your poem somehow that we are capable too of drawing strength from within when needed. Thanks for sharing.
Necessity is the mother of all invention, eh? But it could be seen in another way too. That it's still a master, that you let necessities control your life, rather than being the master and realizing nothing is "a must."
Here's a quote that speaks for the other side of the coin:
"Argue for your limitations, and sure enough, they're yours." - Richard Bach.
It's interesting you speak of the poem reminding you of something that goes beyond it, because in it, there is no more strength without the other person.
But I guess in art, what is not said is often as important, and certainly what it makes us think of.
Thank you for the comment Moe :)