Am i being used?

ran this by my friends and they think I am. One said I need to put my kids and I first the other says I'm making a huge sacrifice and wants me to make a decision I can live with and hopes that I understand what I'm doing. So my mom has arthritis pretty bad and she was in an accident not to long ago, a company car hit her, and it just aggrevated it. Now it's really hard for her to work and she's alot of pain. Her settlement which will be large isnt coming as fast as she thought and my mom's line of work as a CNA is very taxing on her body even more so as she's in her 50's.

Now I made a deal with my mom, bc as her daughter I can't stand to see her like that, that I'll pay everything (bills) or as much as my check will cover and she won't have to work. Just watch my kids and I'm okay. in my mind,heart and soul I feel alot of peace about this bc my mom has done a lot for the family and I see it as paying my mom back. My friend argues that Im getting scammed bc I've had a history of giving my mom money and lots of it. When I was in college, Id give her half my refund to help her and the family, gave my mom 25k my grandmother left me I wa sso young i didn't fully understand the gravity of what i was doing-there's more instances but it would take up the whole post and no I don't get paid back.

I just feel this situation is different. My mom , her body is giving out and she needs me. so I don't mind.I also needed some help from my father and my brother but my dad pockets his money and isn't much help so I know I can't depend on him but my brother is only giving 500 a month bc the rest go to tithes. it bothers me bc I know I'll need help and I need my dad and bro to meet me in the middle. I did want to move out with my kids and I but I feel it's just for a shor time Im doing this hopefully. For my mom, I'll do it.

Now do you think I'm being used?

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TL; DR: Mom struggles with arthritis. Its hard for her to work. I'm going to take over paying rent and all utilties ( I don't think Id have much left for myself). Is this wrong

***EDIT--

@ JACKIE- yes ill be struggling financially if i do this. I wont have a savings at all.

And yes theyre still married .

** yes i know this may br financial abuse and yes i did offer ill re do the budget and just swing the rent only. Its just my moms body hurts really bad and i just idk i want to help her. I dont want her to end up in a wheel chair. But i do need to put my kids first. Its just when i have tried to put us 1st my mom would always say well u have to take over your car note and insurance and just make it harder for me to leave.