I was uncomfortable at first, but now I'm beginning to get in the groove.Fred began to get in the groove, and things went more smoothly.
get in the groove
To be immersed in a particular task and thus working smoothly and efficiently. Now that I've gotten in the groove, I think I'll be able to finish this paper tonight—ahead of schedule!Once I get in the groove, I can clean for hours.
get in the groove
in. to become attuned to something. (see also in the groove.) I was uncomfortable at first, but now I’m beginning to get in the groove.