It has been said that Bruce suffers from an extreme version of narcissism (in love with himself), whereby he desperately is trying to figure out how to actually make love to himself, and is confused at to what parts are required to do so. The conundrum lies in the possibility of removing an important part, or leaving that part in place to complete the ultimate mission.
So, when somebody tells Jenner “GFY!”, the response is, “Right, I’m on it!”