When you retire, it's a place in life, a part of the journey. You just don't quit work; you develop an attitude where you can do what you please.
I believe that all of us are born heterosexual, physically created with a plumbing that's heterosexual, and created with the instincts and desires that are basically, fundamentally, heterosexual.
It is the lone worker who makes the first advance in a subject; the details may be worked out by a team, but the prime idea is due to enterprise, thought, and perception of an individual.