I like to use every spare minute knitting but I'm hesitant to pick it up when I have a few free moments if I'm not certain I can finish the row in the time available. I've been told by several seasoned knitters that one never leaves off in the middle of a row for various reasons such as: it will leave a hole, the stitch will be misshapen or there will be a line in the knitting. I have never read anything about this in any knitting book. It's not like I'll leave it this way for long; I knit every day. This fear of creating an additional problem prevents me from utilizing all those odd spare moments of the day.
I'm seeking the opinions of knitters more experienced than myself on this subject.