Eventually, you will stop thinking of the left stick as two different movements (throttle + rudder). When I fly now, the movement of the left stick seems more like a single movement in both axis to me. I have gotten very used to adjusting for tail drift when climbing, falling, etc. that when I want more throttle, I 'automatically' add in the correct amount of rudder without even thinking about it.

Once you hit this stage, you will probably find that you are 'fighting' the clicks on the throttle to get the heli to move exactly how you wish it to. At least, this is how it is for me. Of course, I have never liked the clicks on the throttle stick. Not even with planes, etc. I have always put fuel tubing on it to make it smooth.

Yah, I just roll like that...