This quote comes up at many web sites:

"We need four hugs a day for survival. We need eight hugs a day for maintenance. We need twelve hugs a day for growth."

-- Virginia Satir.

However, although The Virginia Satir Global Network has lots of information about her, I can't find mention of "hugs" there.

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I didn't find any song called TWELVE HUGS A DAY, but I found some similar titles:

Paula James recorded FOUR HUGS A DAY on her album "Sweet Country Love," 2002. I transcribed this from a sound sample at Amazon.com:

...Four hugs a day, now you know you really should get at least
Four hugs a day, and you'll smile from ear to ear.
I'm in need of a big old hug, so come on over here.
Well, it didn't take me very long to see that he was right....