Is Tori Spelling's Breakdown All Dean's Fault??

What is going on with Tori Spelling?
Last Thursday, police were called to her home -- responding to reports of a woman having some kind of aggressive breakdown.
Related: The Bachelor's Corinne Olympios Has Insight Into Tori's Apparent Breakdown
Since then we haven't heard much information about the state of the 90210 star's mental health -- but a source told Us Weekly "her friends and family are all very, very worried."
And according to this insider, all of the stress stems from one place -- her