-It's not so much that autogynephiles _can't_ transition early—like you say, you know a lot who did so at 19 or 20 (of whom I am _so jealous_)—but more that the nature of their condition is such that deciding to pull the trigger and just do it after many long years of slowly building up a female gender identity through crossdressing and fantasy is something that makes sense, whereas the for androphilic-feminine type, if you make it to age 30 as a feminine gay man, there's little incentive to not just stay that way.
+It's not so much that autogynephiles _can't_ transition early—like you say, you know a lot who did so at 19 or 20 (of whom I am _so jealous_)—but more that the nature of their condition is such that deciding to pull the trigger and just do it after many long years of slowly building up a female gender identity through crossdressing and fantasy is something that makes sense, whereas for the androphilic-feminine type, if you make it to age 30 as a feminine gay man, there's little incentive to not just stay that way.