Mood Indigo lyrics

You aint been blue,
No, no, no . . .
You aint been blue,
till you had that mood indigo . . .

That feelin goes stealin
Down to my shoes,
While I sit an sigh,
Go long blues . . .

Always get the mood indigo,
Since my baby said goodbye . . .
In the evenin when the lights are low,
Im so lonesome, I could die!

cause theres nobody,
Who cares about me . . .
Im just a fool,
Whos bluer than blue can be,
When I get that mood indigo,
I could lay me down an die!

< instrumental break >

That feelin goes stealin
Down to my shoes,
While I sit an sigh,
Go long blues . . .

Submitted by Guest

What do you think is the meaning of Mood Indigo by Perry Como?