I snapped mine quite badly about 5 months ago. I can’t help you regarding the joining up bit, but what I do recommend is not taking no for an answer.
I got messed about a bit and being the stubborn sod that I am wanted to know everything. Explaining that I weight trained, cycled and was very active and needed full range of motion back, they didn’t fob me off in the end.
10 weeks is plenty for the bone to start joining together so I’d get on the case, do as much reading as you can and go back with a bit more knowledge.
As far as I am aware, if the bone does not join then it can cause problems down the road.