In this situation, it is alright until it isn’t. The risk is that, regardless of what you do, you may get outed anyway. Once that happens, you lose the narrative. It becomes very difficult to tell your story, your way. You are placed on the defensive and that is never a good position.
As you read postings here, there are many members that talk about how their secrets got out. It could a piece of clothing that got left out. It could be a stray E-mail on a phone. It could be being in the wrong place at the wrong time. There are any number of things that can trip folks up. Once things blow up, that train has left the station.
Every situation plays out in different ways. The thing to do is put some serious thought into what may, or may not, happen given your circumstances and then you can decide what to do.
Also, it may help to work with a therapist. It’s a great way to have an objective discussion, but realize that not every therapist has expertise in gender issues.