Today we send The Young and the Restless’ Mark Grossman (Adam) our deepest condolences, as he mourns the loss of his dear friend. The CBS soap star shared numerous photos of Colin, who has been his pal since they were in grade school, where some of his greatest memories were made with him “running around Cave Creek and Scottsdale with all the guys, cramming three dirt bikes in the back of your truck to go race in Texas and Oklahoma, countless hours of riding and laughing, and so much more.”

Though Grossman noted that after all of these years, and while they lived in different states, he was always there for him. “Planning get-togethers, checking in on birthdays, or just to say hi and talk about life and our love of motorcycles. You were always a great friend. No matter how much time had passed since we talked, we always picked right back up where we left off.”

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Sadly, they had spoken about Colin paying a visit to California to ride dirt bikes with him, “for old times’ sake,” as Grossman finished his heartbreaking goodbye to his friend by stating, “Well, I’ll see you again someday, my brother, and we’ll go on that ride. Rest in peace, Colin. #822forever.”

Some of the actor’s castmates turned up in the comments to send him love during this difficult time, including Melissa Claire Egan (Chelsea), who expressed, “I’m so sorry, Mark.”