Ronnie Ortiz-Magro broke his silence about his “mental health struggles” after he appeared to nod off during a cast interview . “I want to start by saying thank you to everyone who has reached out and shown support,” the “Jersey Shore” star wrote on his Instagram Stories Tuesday. “I really appreciate all of the fans sharing their stories of mental health struggles with me. It shows that we are not alone,” he added. Ortiz-Magro, 40, said that though “everything may look perfect on the outside,” he is battling with “depression , bipolar and anxiety in silence.” Ronnie Ortiz-Magro broke his silence about his “mental health struggles” after he appeared to nod off during a cast interview (as seen above).…