United Kingdom, Oct. 21 -- Dax Shepard had a "deep fear" he wouldn't find love after splitting from Briegh Morrison.

The 50-year-old star was in a relationship with Briegh for nine years, and Dax doubted he'd ever find love again when they broke up.

Speaking on his Mom's Car YouTube series, Dax shared: "The breakup was manageable, but for a while I did think well, I'll never be in love with someone like that again in that way.

"I had a deep fear, like, I don't think I'll ever feel the way I felt about Briegh with anybody. I was quite scared of that."

Dax always remained fond of Briegh, despite their painful break-up. And he was thrilled when she eventually found love with Marvel executive Brad Winderbaum.

He explained to Briegh: "I f...