It's not all in your head, unless you mean in a neurological way. Different parts of your brain signal for different types of speech. Expressive, everyday language happens in one part of the brain. Singing happens in another, Cadence, shouting, etc. happens in other parts of the brain. If it was just psychological, it would not go on for weeks, or decades. Also, you might be overwhelmed at times (new school); that would affect anyone in different ways. And you might find yourself not able to avoid speaking situations.... you are responsible for things. You may be having the same fluency percentage as before, but with less avoidance. Anyway, the situations that we avoid or use substitute words for can be approved upon. Keep that in mind on your new college journey. For example: Using the wrong name can be improved upon by going back and letting the person know what happened (otherwise it will and has worried you). You can erase that problem immediately. Opening up about the stutter can be a relief for you, and for her (she could know that you are an ally and not an adversary). Always correct those situations. You can try out being more involved in other things at your new college too. Make lots of friends and keep your friends close. Introduce yourself to everyone.