Colbert Bump: Videos that are featured in his stream tend to get a good boost in views upon being featured, even moreso for videos that make Jimmy laugh.
His 50th YLYL had him donate $100 for every time he laughed, up to 10 times, along with a short compilation uploaded to his Youtube showing every laugh up to his 50th.
His 69th YLYL had him wear the Drip hoodie, and Zach and Bryce brought him a cake to celebrate 69 episodes.
His 100th YLYL had a music video and he wore a maid outfit for it.
His 169th YLYL was a milk-themed "Milking Stream" that had another music video, alongside a sketch where Jimmy and Uncle Ben from The Urban Rescue Ranch "milk" a prairie dog called Big Ounce.
Miscellaneous
The channel has been set in California, Oregon and lastly, Texas.
"milk" a prairie dog called Big Ounce.