Yes, you should have.
From the Alp profile-
"Their body has completely changed into that of a woman"
Simply put Naranja, your understanding is wrong.
No, there is no way to reverse monsterization. He says that you only Alp if deep down you really want to be a woman. If you want to stay a man and have a wife you won't Alp even if you technically could.
There are two types of alp feminine alps and masculine alps
Feminine alps are the more well known type there the ones that gain a more feminine personality and exceedingly voluptuous figure
Masculine alps retain there androgynous/masculine appearance but still gain female genitalia they also keep there personality largely unchanged and have a more fuck buddy/best friend relationship with there husband