Here's an example of a love poem in English that a boy could write to express his feelings to a girl:
In the realm of love, I find myself lost,
With every beat of my heart, you're the cost.
Your smile, a radiant light in my darkest days,
Your laughter, a melody that my soul obeys.
In your eyes, I see a universe so pure,
A love so deep, forever to endure.
Your touch, a gentle breeze on my skin,
Igniting a fire that burns from within.
You're the sun that brightens my every morn,
The moon that guides me when I'm forlorn.
Your presence, a gift that I can't live without,
With you by my side, there's no room for doubt.
I'll chase you through the stars, across the sea,
For you, my love, are my destiny.
With every breath, my heart beats your name,
Forever and always, in love's eternal flame.