I KNOW ONE by CHARLEY PRIDE.
I Know One Lyrics When All Your Loves Have Ended When All Your Friends Have Flown Who'll Be Around To Want You When All Your Loves Have Gone Only ...
From The Marty Stuart Show on RFD-TV May 14, 2011.
a #6 hit from 1967 for Charley, off of his album titled "The pride of country music"