Checking in on you. Sounds like you're having a tough time.
I know the dread and panic you are feeling. But W moving out isn't the last chapter in your story, it just feels like it.
Something that I always believed to be true... If you love something set it free, if it comes back it's meant to be, if it doesn't, it was never yours to begin with.
I think as men, we want to fix things. We want resolution. So to stand back and watch our lives crumble before our eyes, goes against every fiber in our being.
But DBing is often the opposite of what we think we should do.
You are going to have to dig deep, D. And you are going to have to summon strength that you didn't know you had. It's there, trust me.
Hold yourself together while you are around her. And when she leaves, have a good cry and let it all out.
The good news is that you won't have to walk around on eggshells anymore. The bad news is the loneliness.
Like you, I'm an introvert. My W and kids were my entire life. I felt completely lost when she left. But it gets better. Time takes time, D. You have to let the healing nature of time do its thing.