^ But in that same episode ("Naked Time") when Kirk is trying to hold it together as the ship is spiraling in, he actually blurts out the name of his true love: 'Yu'.
So WHO is Yu? An old love from Academy days? Another junior crewmember out of reach? Some alien gal he found who taught him some love -some 'strange love'- that only a star-woman teaches?
"I'll never lose Yu. Never....."