love poem.

This is a poem for people that are couple...
If I could catch a rainbow
I would do it just for you,
And share with you its beauty
On the days you're feeling blue
If I could build a mountain
You could call your very own,
A place to find serenity,
A place to be alone

If I could take your troubles
I would toss them in the sea,
But all these things I'm finding
Are impossible for me

I cannot build a mountain,
Or catch a rainbow fair,
But let me be what I know best,
A friend who's always there