1)
Why did she ask him to tell her? They told her to get him to tell them!
1.
Malbim: It was Hashgachah that she deviated, to make hatred between Shimshon and the Pelishtim.
2)
Why did she say "Seneisani v'Lo Ahavtani"?
1.
Malbim: Sometimes after love one turns to hate, like Amnon towards Tamar. You never loved me!
3)
How did Shimshon answer her?
1.
Malbim: I did not tell my parents. This proves that it is not due to hatred!