Celtic made an inauspicious start under the guidance of Ronny Deila.
Collins was appointed as Ronny Deila's second in command soon after the Norwegian boss took charge at Parkhead, and their initial time with the Bhoys was difficult.
Deila and Collins tried to implement a number of changes at Celtic in a short space of time, and the squad struggled to comprehend the instructions that they were given.
“Maybe one thing which took a bit of time instilling into the forward players, that when we lose it, you are defenders and you’ve got to hound opponents and force them into rushed passes," Collins admitted. “Now everyone knows their job within the team and when we lose the ball, there is a responsibility to get it back.
“That brings an excitement to the game and I think the supporters love it and appreciate it."
Celtic have certainly improved as the season has progressed and they look a better team for the changes that Deila and Collins have made.
The Bhoys' style of football has impressed onlookers throughout the campaign, with the side looking dangerous going forward and solid at the back.
Celtic have dominated Scottish football throughout this season, but the challenge will be the mount a better European challenge next campaign.
Deila's side failed to qualify for the Champions League last year, but they will be determined to make it to the group stages of the competition this time around, as they are a more settled outfit now.