Just keep at it, it'll come. Something I found useful was balancing the plane against a wind in a nose high attitude, a stationary harier if you will. That gets you practised on inputs, then all you gota worry bout is throttle management. And one more, when you get more than a few degrees off vertical, give a burst of full power with the control to kick the tail back under.

But the key is definitely burnin a lot of fuel, and as regularly as possible