Some personal thing help plllz girls ?

my girl is always turned on. at first it was really kool but now it kinda of gets annoying. shes always turned on. everyday every second. now i know that heaven for a guy but its also very annoying. im very busy and she always wants to have . last time she called i told her to have with someone cose im tired and i wont be able to waste any energy cose i have to go to work. now im not the jealous type at all. but its annoying cose she cant help it. so any suggestions how i can help her out. ps yes i bought her a vibrator and she refuses to go to the doctor.