The trust is not broken,  it’s gone , that the she swallowed pills says she is controlling you. “If I cant have you then I will harm myself ” . How do you plan on having a relationship with no trust , she broke it , sure you had good times its why you were together for a period of time. But did she remember the good times when she cheated ?  Sometimes you got to cut your losses and go . And on anther note the fact she tried hurting her self because you are leaving,  that’s also abuse