About B.J. Stringham's The Perfect Man

Tabitha was NOT suicidal, yet somehow she found herself being held in a mental ward for violent behavior and supposedly trying to kill herself. Could her husband be behind this somehow?

More importantly, her children are in danger because they've been left with Nathan alone, she's very worried that he's probably started to abuse them instead now that she's gone.

How could things have gotten to this point? And, more importantly, will she ever get out of here so she can set things right?