Creek was the Happiest of The Trolls Kids & Everybody Liked Him cause he was the One Who Always Sees Something Positive in Everything & Always Knows How to Cheer Everyone Up... - Everyone except Branch. Cause Branch was too sad to listen to any Positive Advice so when the Whole Snack Pack was trying to Cheer him Up for 2 Years with no result & No Amount of Singing, Dancing & Hugging worked ( Branch didn't want to sing or dance with them anymore & he didn't even want to hug ) they finally run out of ideas. 

None of them knew how Branch felt...

- Cause none of them has ever lost his True Colors before & they were Not Even Able to Imagine what it feels like to be That Sad...

But Little Creek wanted to help Branch so much that he was ready to lose His Own True Colors for a Moment - because to help another person You Must Understand their problem first... & He Really Wanted to Help!

He was thinking about it for a long time & realised that 'It was his only chance to understand' but he didn't tell the rest of the Snack Pack about his plan because he knew that they would Stop Him! - None of them wanted to see Him Sad... & he knew that it might be shocking for them but he thought aloud convincing himself 'If My Plan Works - They'll understand... - It's just for a moment, right? And thanks to that I may find a way to finally bring the Happy Branch back!'

'Losing His Colors on Purpose' turned out to be Really Difficult for such a Happy Little Troll as Creek: He was The Most Positive Of All Troll Children & didn't have any Sad Memories! - So he had to Try Very Hard to make his plan work...

He looked as Happy as Usual when he came out to play with his Snack Pack Friends not to let them notice anything too soon, but he was thinking to himself 'Think about something sad... - Think about something Sad... - OMG! It's Difficult! - But I must Try Today!' 

Nothing 'sad enough' came into his mind - but when he noticed Branch who wasn't playing with other Troll Kids, just standing next to a tree & looking Even Sadder Than Usual, Just like Walking Misery - he made a sad face & told him 'I'm So Sorry, Branch!'. Little Branch looked surprised because Creek was Always Kind to Everyone & Had No Reasons to Apologise him! The Other Snack Pack Friends looked Surprised as well. 'Why are you sorry, Creek?' asked the Little Grey Troll 'You didn't do anything to me'.

'I'm sorry... Because You Are The Only Person I Can Not Make Happy AGAIN! - I Tried Everything! - I don't know what To Do!' said Little Creek & burst in Tears! 

All the Other Little Snack Pack Friends opened their eyes wide in Surprisement because seeing Crying Creek was something totally new for Them! They were just standing & watching, too surprised to react. 'I've never seen Him Cry before' said Little Chenille. 'Nor Have I... ' said Little Suki. And Little Creek kept crying & crying till he Lost His Happy Colors - & started turning Grey, like Branch. 

'OH NO!' shouted Little Smidge with a funny squeaky voice because she noticed that the top of Creek's hair started turning Grey first. 'What's going on?' asked Little Biggie with a terrified face. 'He's losing his Colors!' answered Little Guy Diamond when half of Creek's hair lost its color & turned Grey. 'No, Creek! - Not You!' said Little Satin. 'Stop it, Please!' asked Little Chenille - but Little Creek couldn't stop now... 

... He knew that he must turn fully Grey to understand Branch - & so he did. 

His Little Snack Pack Friends couldn't believe their own eyes - & of course They Didn't Like what they saw. Creek has always been The Happiest of them All - & They still wanted to see him HAPPY, not Grey. Little Poppy who liked him The Most was close to tears as well when she grabbed Grey Creek's arm & asked him 'Creek! - Why Did You Do THAT?'.

'Don't worry, Poppy - I will be Alright & Everything is going According to the Plan' Little Grey Creek assured her, but for the First Time in His Life he didn't smile.

'What Plan?' Asked Little Sad Branch surprised. 'I had to lose My True Colors to understand How You Feel' Little Grey Creek explained him. 'You Did That... FOR ME?' asked Little Grey Branch & Little Grey Creek nodded & looked at him. 

Then All the Little Snack Pack Friends started to understand Creek's plan & they smiled with hope because Creek was smart & they all trusted him. They knew that He Knew Exactly what He was Doing - so they stopped worrying about him. The Happiest Troll Kid Lost His True Colors for some time Just to Understand How the Saddest Troll Kid Feels! - They knew how much it costed him to stay That Sad even for a Moment cause Sadness was Against His Nature - & They found his Sacrifice AMAZING! So they All felt Proud of Him!