My male betta?????????????????????????…

i have a female betta and i want them to mate but he wont make the bubble nest does that mean hes not happy but he loves to swim and all ways flareing i tryed puting the female in a cup with the male but all he does is flear and i am not sure how long to keep her in the cup with and i tryed puting a pic of a male betta and he flares and i put a mirror so what eals can i do to make him make the bubble nest