Hyndman, who starred alongside Sabados on the daily CBC-TV show "Steven and Chris," died earlier this week at age 49.
In a statement, Sabados wrote about the 27 years the pair spent together.
He wrote that Hyndman's family and friends' "hearts are broken," but that they found comfort knowing that his spirit endures.
Sabados concluded by asking for privacy.
CBC reported Tuesday that Hyndman was found without vital signs in an alleyway just east of Toronto's downtown core.
No cause of death has been released.
"From the moment I met Christopher, we went forward in life, side by side and shoulder to shoulder," Sabados wrote.
"He was my best friend, my confidante, my partner, my one love.
"Over 27 years, we built a beautiful life together; always remembered, always cherished. As we find our way through this difficult time, we are asking for privacy.
"Thank you for your understanding.”
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