I'm in a relationship that I'm considering ending, mainly because it's not benefitting my mental health to continue it. Besides the fear of hurting her and causing her mental health to decline (which I've reconciled with myself that it's not my responsibility), my biggest issue is that she's spent so much money on me and I haven't been able to repay her in any way . She is on SSDI and gets way more money than I do on SSI.

I haven't really asked her for most of the things she's bought me or the money she's given me but she had insisted on it. I feel really guilty about leaving right after she's done all that (I do appreciate it but there's so many other issues) and like I should pay her back but there's no way I can afford to.

FYI we are both females, if that matters.

[Bill3]

It sounds like those gifts were her free choice.

You don't have to repay her.

I feel really guilty about leaving right after she's done all that (I do appreciate it but there's so many other issues) and like I should pay her back but there's no way I can afford to.

There is no "should" here.

You have no obligation to repay her.

[lady411]

I don't see why you should feel guilty about receiving these gifts from her. She obviously cares about you and wants to take care of you.

[MickeyCheeky]

You didn't ask for them. And even if you did, it was her choice to spend money for you... this is something that happens in all the relationships. Don't feel guilty

[xiximmxi]

You should try and take the Love Language Test with her
30 Quick Questions to Identify your Love Language - Interpersonal Communication, Relations, and Compatibility

People love and want to be loved in different ways:
1. Words of affirmation
2. Physical touch
3. Receiving gifts
4. Quality time
5. Acts of service

It might help if she knew receiving gifts isn't your top preference / priority.

[HelloWorld18]

At the end of the day, you can’t be bought. If you feel it’s best you should end it, don’t care about the money (unless you’re the one begging her for it). I’ve put thousands of miles on my car and gas for my ex driving him everywhere, if he were the one to breakup with me, I’d think of it as “well I learned my lesson.” And from there on out not make the same mistake. My ex basically ended it when he told his family’s about our fights and kept lying to me. I’m never gonna get that money I spent on gas back, or the miles, but oh well, I know I’m not gonna be another persons chauffeur