Gretchen Rossi 'Couldn't Have Survived' Postpartum Depression Without Fiance

Gretchen Rossi is extra thankful for her fiancé, Slade Smiley, after battling postpartum depression. “Slade has been incredible,” the Real Housewives of Orange County alum, 40, told Us Weekly exclusively at Beverly Hills Rejuvenation Center’s Eternal Beauty book launch benefiting the American Heart Association on Thursday, September 26. “Slade’s just been truly incredible and…