Be able to live alone, even if you don't want to and think you will never find it necessary.

Understand why casinos and racetracks stay in business - the gambler always loses over the long term.

Be able to back up a car for a considerable distance in a straight line and back out of a driveway.

Know how to travel from your town to a nearby town without a car, either by bus or by rail.

I think change is possible, but only for individuals who were never truly gay in the first place and who have a strong personal motivation to recover their heterosexuality.