It don't always go easy mate, our first harris called stella who sadley died was an absolute minter we dint have to do anything with her she just did it, she never gave us any trouble at all.
When we got ruby,talk about grief 100% totally different but we got there in the end.. rubys just starting her proper first season after the moult and is looking great, if i was you i would put him back on the creonce and start doing some close work with him, basicaly take a step back and let him settle down.... it will all come good, have a look at my thread 'My first hawk' in the broadwing section,it'l