But though I’m not a spaceman,
Famous and renowned,
I’m just a guy that’s down to earth,
With both feet on the ground.
It’s all imagination,
I’ll never reach the stars.
My heart is still a fireball, a fireball,
Every time I gaze into your starry eyes.

(Other Authors and Sources)

“Fireball XL-5,” st. 3 (1962)
    (Source)

Charles Blackwell (lyrics), Barry Gray (music), Don Spencer (vocals).