scottyoloye:
you're right bro... As for the OP if ur sisters are still students you're on track and an increase won't be bad but if they ain't students, you should try setting them up.. you won't be able to keep up with the monthly stipends... You shouldn't put a girl you haven't married on monthly stipends... Give her money anytime you wish but don't make her feel it's her right

My brother, I really appreciate your advice. Thank you so much. My sisters are students but they are into makeup and fashion. They are making small small money in school.

Peemonny:
Bro honestly you are not stingy to her, don't assume her father's responsibility however if you feel u need to do more don't hesitate do not be too quick to start what you cannot continue as for your sisters you can do better.

Thanks for your advice. I really appreciate.
Remain blessed.