Here is my take. Your rendition is great!

In every （heart） there is a （room）
A (sanctuary ) safe and strong
To (heal) the (wounds) from lovers past
(Until) a new one comes (along)

I spoke to you in (cautious) (tones)
You （answered）me with no (pretense )
And still I (feel) I said too much
My (silence) is my self (defense)

And every time I've (held ) a (rose)
It seems I only (felt) the (thorns)
And so it goes, and so it goes
And so will you soon? I (suppose)

But if my (silence) made you (leave)
Then that would be my (worst) (mistake)
So I will (share) this room with you
And you can have this heart to (break)

And this is why my (eyes) are (closed)
It's just (as) (well) for all I've (seen)
And so it goes, and so it goes
And (you're) the only one who knows

So I would (choose) to be with you
That's if the (choice) were mine to make
But you can make (decisions) too
And you can have this heart to break

And so it goes, and so it goes
And you're the only one who knows.