A double from Yannick Kamanan and John Piercy's fierce strike secured what looked like a comfortable win at Aldershot's Recreation Ground.
Yet Colin, wearing his manager's hat, was far from totally satisfied.
"It was a very nice start, scoring early and I felt we had a period where we played not too bad but then we went a little dopey and allowed them into the game because perhaps we felt it was going to be easy," he reflected.
"We made very basic errors which meant us having to run back and cover much more of the pitch.
"If you take possession of the ball you will enjoy the game more. The only time we did that, after the first 10 minutes, was in the last few minutes of the half and we were fortunate to get the second goal. We hadn't played well enough to be 2-0 up.
"We were a lot tidier in possession in the second half and I felt we went about it in a professional manner.
"The senior players got through the game and got another good physical workout.
"They were still better in possession because of their quality and therefore still an example to the younger lads on how to keep the ball.
"You keep the ball around the pitch and let them run, play it in a position where it will be of benefit to the player who is receiving it, not behind him, in front, to his feet, give him information - things they've been told from 12, 13 onwards. To be honest, it doesn't change.
"But that was the first time we've won by more than a goal and the first time we've kept a clean sheet, that's ideal. I think the boys have quite good feeling and they are enjoying the run we're on."
Colin Calderwood still cast a critical eye over the reserves despite their fine victory against Chelsea on Monday night.