以下是《How did you know》的歌詞：
Baby, I'm no expert
But I've been watching you
You're a classic case
And I'm here to diagnose
The way you move
Your body's language
And all the subtle signs
You're sending out
How did you know
I'm feeling this way
When I'm hiding it all
From my closest friends
How did you know
It's no big surprise
But it took me a while
To admit it to myself
Now that I have
I'm not gonna lie
You're all I ever dreamed of
And more
Chorus:
How did you know
But I'm falling for you
It's a mystery
But I'm so sure of you
And baby, so am I
So am I
Baby, you may be surprised
But I've been thinking about you all night long
And I don't know what to say
So I'll just let it show
The way my heart beats when you walk by
The way my eyes smile when you smile
The way my body tingles when you touch me
Oh, how did you know?
Chorus:
How did you know
But I'm falling for you
It's a mystery
But I'm so sure of you
And baby, so am I
So am I, yeah!
Oh, and when I look into your eyes (Yeah)
I see my future, and your present (Yeah)
You can be my every day (Every day)
Yeah, let's get this party started!
How did you know? (Yeah)
But I'm falling for you (Yeah)
It's a mystery (Yeah)
But I'm so sure of you (Yeah)
And baby, so am I (Yeah)
So am I! (Yeah) Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah! Yeah!
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