It's not hard to do a little studying each day once you get into a/the 'groove'. [='routine']
The door slides along a 'groove' in the doorframe.
He's a great pitcher when he's in a/the 'groove'.
(..) Your benefactor... asked me to send you out with something extra. Get you started, you know? Keep you sitting pretty until you get into the groove of your new life. Provided, of course, you don't toss it out the window on the way. Seriously, this is the last of it, (..)2013 TvShow: Breaking Bad Title: Confessions Season: 5 Episode 11