What should i do??????????????????

my bro loves his gf more than he loves me.he bought for his gf many things but wen i ask him for a birthday present,he said ok but my birthday is on may but now is september and i hv nt gotten any present.he went out with his gf and her younger sister more than 2 times but i went out with them only 1 time.when i fought with his gf,he was on her side all the way.my bro n i were close but now we seldom talk to each other .i miss my old brother.wat should i do??