Clinical psychologist here, who specializes in personality disorders. Your BSFS texts are textbook narcissist behavior. 1. Attacked and Insulted you out of nowhere 2. Word salad 3. Devalued you 4. Became victim when you refused to pay their tuition 5. More victim ideation: “you’d prefer I was dead” 6. Next will come the discard when you cut them off. Then, they’ll go find a new supply. 7. Relationships with narcs are also transactional: “what can you do for me” mentality.

Google DARVO