I really like your soft voice!
And you didn't ruin the song.
By head voice, do you mean.. like.. you're using your throat instead of your stomach to sing?
Try to sing as you exhale. Don't hold your voice in. Let it out by exhaling + singing at the same time.
That's what I do, and it helps.
Hope that helped.
And nice job!
-strg★
^thank you! I've never tried that exhaling technique, maybe that's why my voice sounds so 'restricted'....thanks for the tip!

I like your voice but don't hold back and don't try to use your head voice. I can hear and feel the emotion in your voice. Keep practicing and you will get better. Good job!

^thanks! Im gonna try singing it again without the headvoice. Maybe it will sound better. When I sang it, it just automatically switches to headvoice..lol. I'll keep that in mind!