The whole concept of, “triggers” is absurd to me. Happiness is a choice.
Maybe her negative attitude might lead to the urge to think negatively yourself, but in the end it’s your choice on if you’ll challenge those thoughts and your choice to give into the urge to inflict self harm.
If a rapist said, “It’s not my fault I raped her, it’s natures fault. It’s natural to have the urge to want to reproduce.”, people would just look in disgust.
(Note: I have a diagnosis of Bipolar)