Answer: Healthy relationships
Explanation:
The speaker talks about how he had done all he can to be a good person to his girl-friend or rather, a girl he likes, but this wasn't enough and it wasn't his fault but rather her upbringing.
He is therefore telling parents to form healthy relationships with their daughters so that their daughters can be healthy partners in relationships themselves.
D he has increased his knowledge I hope this helps
It is difficult to treat, and there are no treatments with proven effectiveness.