Why is my male betta not chasing the female betta?

Question

my female betta has her stripes and the male blew the bubble nest but they wont go after each other. we put them in the same tank and he was flaring up and he will go after her but wont do a thing. at first we had her in a baggy. did she get used to him being there?

Answer 1

why hasn't he killed her yet is a better question

Answer 2

i think that the betta just dont like each other.

Answer 3

he's not interested??