i swear my sister only calls/texts me when she wants something .. she just text me not even a hello…

i swear my sister only calls/texts me when she wants something .. she just text me not even a hello just can u watch jasi (my niece) tomorrow from 7-5 cuz jazzy (our sister who normally watches her) has to work at 6am .... my issue is shes 15 months so watching my 9 month old baby and her baby is a little difficult plus i have plans nothing major but its pay day so i normally go shopping for things we need and its laundry day ugh i feel bad cuz she dont have no one else but geez how bout a hello how are you