@takeme0uttonight - ok, so while still being overtly hostile to other poster's male partners for no obvious reason:
"@Knittingmonster no, he's in a gay relationship. 2x penises = gay relationship. And I can assure you, from experience, his penis functions the same way your miserable husband/boyfriend/partners does, with the blessed relief I'd never have an unwanted pregnancy"
you are also being really disingenuous. If your ex's surgically created penis could become erect spontaneously, then it must have been created via metoidioplasty, which due to the erectile abilities of the clitoral tissue that it was created from, can become spontaneously erect, however the downside of this is that this form of created penis (or neopenis) is that it is almost always too small to have penetrative sex with.
If, on the other hand it was surgically created via
phalloplasty, then it will have been created from skin from another part of the body, and will be unable to become spontaneously erect, but can be adapted to do so by a penile implant which will have to be manually "cranked" so to speak.
I can understand your cognitive dissonance to want to truly believe that your ex was/is a male, but they just aren't and it's not healthy to state that as fact. They have a surgically altered body, to appear in the male form, the live and present as male, but they are biologically female.
I wouldn't insult them as referring to them as her or she, but neither will I insult my own intelligence by saying that they have "become male" or "were born in the wrong body", because neither are true. If they weren't born with DSD, they are and were female and always will be.
And stop with the churlish insults, it's just making you look immature and taking away from any decent points you're trying to make. Just have an adult conversation, as most other people on the post are trying to do.