I not understand why sagittarius woman alway mean and disrespectfully to people?

i am likeing sagitterius but why they hurt my feel sometime? i was nice sagittarius but she not nice back and rude? i was eat restaurant with my family and sagitterius cousin.. me eat asian salad and french frie. i was paid on sagitterius food bec she have money nothing. she not say thank you and ignore me.. and call me F word werido? cuss word not nice... it call disrespect. i never swear ok my parents teach me nice way of manners. i not like people do that