For an average person learning a new motor skill or pattern takes something like 300-500 correct repetitions. To modify an existing motor pattern can take 3000-5000 correct repetitions.
I guess the way to answer your question is to ask yourself are all your volleys at an autonomous stage of learning?
Don't be upset by the results you didn't get from the work you didn't do...
talkcoaching on wordpress, come check it out :)