Girlfriend gets angry when boyfriend spends $10K on his 9-year-old dog's surgery instead of assisting her sister with her rent: 'You’d spend ten grand on a dog but you won’t even help my sister keep a roof over her head?'

Author image for Emmy Pratt
Emmy Pratt • Writer and Editor
Sep 25, 2025 8:00 AM EDT

When you marry someone, you have to accept the presence of their crazy family, but that doesn't mean you have to support them through all of their horrible financial decisions. At the end of the day, your sister-in-law is not your responsibility, and you should not be paying her bills if she is fully capable of doing it herself. 

There are ways to support your family during tough times without enabling them. You shouldn't just give cash to your family unless you're okay with that cash going to something that you don't approve of in the slightest. If you give people financial gifts, you don't have any control over what they do with them. Helping a family member with tasks like grocery shopping or house cleaning is often more meaningful than giving them financial gifts, as you know your act of service is making a tangible positive difference in their lives. 

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  • The boyfriend in this story doesn't have any official obligations to his girlfriend's sister, but his girlfriend sure thinks he does. She got angry that he chose to pay for his dogs surgery instead of helping her sister pay her rent, which is just ridiculous.

  • A man kneeling down next to a dog on a sandy beach
    via Natalia Blauth (Unsplash+)

    Image is representative only and does not depict the actual subjects of the story.

  • Am I the bad guy for paying for my dog’s surgery instead of helping my girlfriend’s sister with her rent?

    I have a dog that's on the older side at 9 years old and a few weeks ago it lost the use of its back legs. I had to get surgery for him because I was not getting him put down. All in all it came to £8.5k, all of which I had to pay out of pocket for.
    via u/helioliolis
  • This wasn't a huge problem because I have plenty saved up and in general I am well off. Here's the issue, my girlfriend's sister has been struggling with rent. Apparently she's behind by a few months and panicking about being kicked out. When my
    via u/helioliolis
  • girlfriend found out what I paid for the surgery she got really upset with me and said I was selfish. Her words were along the lines of, "You'd spend eight grand on a dog but you won't even help my sister keep a roof over her head?"
    via u/helioliolis
  • A woman sitting on the floor with her hands in the air
    via Blake Cheek (Unsplash+)

    Image is representative only and does not depict the actual subjects of the story.

  • Since then my girlfriend has been ped off with me and keeps calling me cheap and selfish for not helping her sister. I feel like I shouldn't have to suffer for another person's poor life choices. The reason her sister is in this predicament is because her relationship fell apart and she's living in a place she can't afford.
    via u/helioliolis
  • Further to that, I own a 4 bedroom home and my girlfriend suggested her sister moving in with us, but I refused. Am I the a hle for refusing to help her sister?
    via u/helioliolis
  • Bed with a white comforter in a dark brown bedroom
    via mark champs

    Image is representative only and does not depict the actual subjects of the story.

  • MedicinalWalnuts NTA. However, you need to dump your girlfriend, who is determined to make her sister's poor choices your problem.
    via u/MedicinalWalnuts
  • CousinEdgar help her Your girlfriend's sister has people who can with her money problems. Your dog has you. NTA
    via u/CousinEdgar
  • smileycat007 Sister can get a job (or a second job). Your dog 100% relies on you. GF is overstepping her boundaries, asking for that much money. How much is she contributing to her sister?
    via u/smileycat007
  • Natural_War1261 GF moves in with her sister to help with the rent. Problem solved. I hope OP's dog makes a full recovery.
    via u/Natural_War1261
  • thatjerkatwork She seems very comfortable deciding what OP should spend his money on. That will never change!
    via u/thatjerkatwork
  • nim_opet NTA. You are responsible for your dog. You are not responsible for other adults decisions including their rent payments.
    via u/nim_opet
  • NightShadowWolf6 This! Also "You'd spend eight grand on a dog but you won't even help my sister keep a roof over her head?" It's not just a dog, it's YOUR DOG...and even if it wasn't your dog, but a strange rescued dog, it's YOUR MONEY to do as you please OP!
    via u/NightShadowWolf6
  • If she is heartbroken about HER sister, SHE can help her with HER money. Also, please, don't let her move her sister in with you. She is displaying some interesting red flags (not caring about something you love doing, trying to push you to take care of something you shouldn't, getting mad and keep on complaining when you don't act as she wants, feeling entitled to say how you should use your money or space), and I can bet you will have a difficult time with them.
    via u/NightShadowWolf6
  • jbeltBalt Move the girlfriend out. Change the locks. Get a new, more independent girlfriend.
    via u/jbeltBalt
  • DgingaNinga OR another dog.
    via u/DgingaNinga

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Tags

boyfriend long term relationship dogs sisters long term relationships relationships girlfriend medical bills family sister money toxic relationship surgery relationship drama
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