I Could Have Danced All Night lyrics

Bed! Bed! I couldn't go to bed.
My head's too light to try to set it down.
Sleep! Sleep! I couldn't sleep tonight.
Not for all the jewels in the crown.

I could have danced all night,
I could have danced all night,
And still have begged for more.

I could have spread my wings
And done a thousand things I've never done before.
I'll never know what made it so exciting.
Why all at once my heart took flight. I only know when he
Began to dance with me I could have danced,
danced, danced all night!

Submitted by Guest

What do you think is the meaning of I Could Have Danced All Night by Glee Cast?