Of course you are feeling deep emotions. This is a huge thing happening, leaving your home. And it is bringing up all the other losses.
Please dont get ahead of yourself right now. Take a little time to get through this part without worrying about where you need to be.
And try to change your mindset about it being a step down, sweetie. It is a different step than the one you thought you were going to take, but it is a step sideways, not down.
It's ok to feel what you feel, IB. Remember that. It is all in what you do with the feelings. All in how you use them to propel you forward.