It Takes a Lot to Laugh, It Takes a Train to Cry Lyrics

Lyric discussion by chrisb1 

Cover art for It Takes a Lot to Laugh, It Takes a Train to Cry lyrics by Bob Dylan

A good version of this on the "Super Session" album with Al Kopper,Mike Bloomfield and Stephen Stills. I'm not sure if the lyrics are to be taken literally or if there's a hidden meaning eg. "train" is a commonly used expression for sex drive.