Bethenny Frankel is struggling with the death of boyfriend Dennis Shields.
"It's hard to breathe & I appreciate you giving me the space & support to try to do so," Frankel told her 1.5 million Twitter followers.
"It's excruciating - sudden death is no closure & constant ?s & memories," she said.
"Our relationship is current so it's painfully raw. Trying to stay healthy & move through it w tears & close friends. Xo."
Frankel paid tribute to Shields and her dog Cookie, who died in October, in a post Aug. 13.
"Rest In Peace my sweet babies who gave me endless unconditional love. #nowandforever," she wrote.
People said Frankel and Bryn, her 8-year-old daughter with Hoppy, are having a hard time coping with Shields' death.
"[Bethenny] is devastated," a source said. "Dennis was Bethenny's partner, her family, her business partner and best friend."
"He helped her with things -- emotionally and professionally, and he was her confidante," the insider added.